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The image shows a page from a document associated with the Busch-Reisinger Museum at Harvard University. The document provides detailed information about an organ located in the balcony of the Romanesque Hall, which was built in 1958 by D. A. Flentrop of Zaandam, Holland.

Key points from the document include:

1. Organ Details:

   • The organ is a modern instrument constructed based on the tonal and mechanical principles of classic organs from the 18th century.
   • It features tracker action, which provides direct mechanical linkage between the keys and pipe valves.
   • It has slider chests, meaning pipes of the same note within each division stand on a common windchest.
   • The organ uses classic pipe voicing throughout.
   • It operates with low wind pressure, ranging from 54 to 72 mm.
   • The organ is free-standing and not enclosed in chambers or swell boxes, with each division (Hoofdwerk, Rugpositief, Bovenwerk, and Pedaal) focused by a case.

2. Construction and Techniques:

   • The methods of construction, voicing techniques, and placement of different divisions were evolved and perfected through centuries of organ building.
   • The organ aims to provide a high degree of playing control and articulation, emphasizing the quality of tone.

3. Specification:

   • The document lists the specifications for each division of the organ:
     • Hoofdwerk (Hauptwerk): Includes stops like Prestant, Holpijp, Octaaf, Speelfluit, Quint, Waskfluit, Tertis, Mixtuur.
     • Rugpositief (Positiv): Includes stops like Holpijp, Prestant, Roerfluit, Gemshoorn, Quint, Sesquialter, Kromhoorn.
     • Bovenwerk (Brustwerk): Includes stops like Zingend Gedekt, Koppelfluit, Prestant, Fluit, Fifteit, Cymbel.
     • Pedaal (Pedal): Includes stops like Bourdon, Prestant, Gedekt, Quint, Mixtuur, Fagot, Trompet.
   • The document also mentions various couplers that connect different divisions: Hoofdwerk to Pedaal, Rugpositief to Pedaal, Bovenwerk to Pedaal, Rugpositief to Hoofdwerk, and Bovenwerk to Hoofdwerk.

The document appears to be part of a detailed guide or manual, providing comprehensive information about the organ's construction, specifications, and operational principles.

The image shows a page from a document at the Busch-Reisinger Museum, Harvard University, detailing information about an organ in the Romanesque Hall.

The text describes the organ built in 1958 by D.A. Flentrop of Zaandam, Holland, which adheres to classical organ-building principles. Key points highlighted include:

1. Tracker action: Direct mechanical linkage between the keys and the pipe valves.
2. Slider chests: Pipes of the same note within each division stand on a common window.
3. Classic specification: Utilization of classic pipe voicing throughout the instrument.
4. Low wind pressure: Range from 1 7/16" to 2 1/16".
5. Open organ: The organ is not enclosed in chambers or swell boxes, with divisions such as Hoofwerk (Main Work), Rugpositief (Positive), and Brustwerk (Brustwerk), plus the Pedal.

The detailed specifications of the organ's pipes are listed in three columns:

• Hoofwerk (Hauptwerk): Principal and various flute, nasal, and other pipes.
• Rugpositief (Positiv): Includes Holpijp, Prestant, Roerfluit, and others.
• Brustwerk (Brustwerk): Includes Zingend Gedekt, Koppelfluit, Prestant, and others.

The Pedal section lists:

• Bourdon, Prestant, Gedekt, Fluit, Mixtuur, Fagot, and Trompet.

Couplers are also mentioned, connecting different divisions:

• Hoofwerk-Pedaal, Rugpositief-Pedaal, Brustwerk-Pedaal, Rugpositief-Hoofwerk, and Brustwerk-Hoofwerk.

The organ's design aims to provide a degree of playing control and a quality of tone similar to those found in classic, historically informed organs.

The image shows a document from the Busch-Reisinger Museum at Harvard University. The document describes an organ built in 1958 by D. A. Flentrop of Zaandam, Holland, which is installed in the balcony of the Romanesque Hall. This organ is a modern instrument constructed according to the tonal and mechanical principles of classic European organs. The document outlines the following principles:

1. Tracker action with direct mechanical linkage between keys and pipe valves.
2. Slider chests with pipes of the same note within each division standing on a common windway.
3. Classic specification with classic pipe voicing throughout the instrument.
4. Low wind pressure, ranging from 1 7/16" to 2 1/16".
5. The organ is free-standing, not enclosed in chambers or swell boxes, with divisions (Hoofwerk, Rugpositief, Borstwerk, and Pedaal) placed around the case.

The construction methods, voicing, and specification content and placement evolved over centuries, providing a high degree of playing control, articulation, and singing tone quality, which the document suggests might be lost in modern electric-action organs.

The document also includes the organ's specification, detailing the stops for each division:

• Hoofwerk (Hauptwerk): Prestant 8', Roerfluit 8', Octaaf 4', Spitsfluit 4', Nasard 2 2/3', Octaaf 2', Vlakfluit 2', Terts 1 3/5', Mixtuur IV Rks.
• Rugpositief (Positiv): Holpijp 8', Prestant 4', Roerfluit 4', Gemshorn 2', Quint 1 1/3', Octaaf 1', Mixtuur II Rks, Kromhoorn 8'.
• Borstwerk (Brustwerk): Zingend Gedekt 8', Koppelfluit 4', Prestant 2', Sifflet 1', Cymbel 1 Rk.
• Pedaal (Pedal): Bourdon 16', Prestant 8', Gedekt 8', Fluit 4', Mixtuur III Rks, Fagot 16', Trompet 8'.

The document also lists couplers: Hoofwerk-Pedaal, Rugpositief-Pedaal, Borstwerk-Pedaal, Rugpositief-Hoofwerk, and Borstwerk-Hoofwerk.

The image displays a detailed informational plaque about an organ located in the balcony of Paine Hall at Harvard University, part of the Busch-Reisinger Museum. The organ was built in 1958 by D. A. Flentrop of Zaandam, Holland.

Key Construction Principles:

1. Tracker Action: A direct mechanical linkage between the keys and the pipe valves.
2. Slider Chests: Pipes of the same note within each division share a common windway.
3. Classic Specification: The organ features classic pipe voicing throughout.
4. Low Wind Pressure: The wind pressure ranges from 1 1/16" to 2 1/16".
5. Free Standing Organ: The organ case is not enclosed in chambers or swell boxes, allowing the sound to radiate freely.

Historical Context:

These construction methods reflect centuries-old organ-building techniques that provide a high degree of playing control and superior articulation and tonal quality. Such qualities are often diminished in modern electric-action organs.

Specification of the Organ:

The organ is divided into three main sections (Hoofdwerk, Rugpositief, Borstwerk) and a pedal division (Pedaal):

Hoofdwerk (Hauptwerk):

• Prestant 8'
• Roerfluit 8'
• Octaaf 4'
• Speelfluit 4'
• Nasard 2 2/3'
• Vlaakfluit 2'
• Terts 1 3/5'
• Mixtuur IV Rks

Rugpositief (Positiv):

• Holpijp 8'
• Prestant 4'
• Roerfluit 4'
• Gemshoorn 2'
• Quint 1 1/3'
• Mixtuur III Rks
• Kromhoorn 8'

Borstwerk (Brustwerk):

• Zingend Gedekt 8'
• Koppelfluit 4'
• Prestant 2'
• Sifflet 1'
• Cymbel 1 Rk

Pedaal (Pedal):

• Bourdon 16'
• Prestant 8'
• Gedekt 8'
• Fluit 4'
• Mixtuur III Rks
• Fagot 16'
• Trompet 8'

Couplers:

• Hoofdwerk - Pedaal
• Rugpositief - Pedaal
• Borstwerk - Pedaal
• Rugpositief - Hoofdwerk
• Borstwerk - Hoofdwerk

This organ is designed to deliver a rich, classic sound with precise control, adhering to traditional organ-building principles.

The image shows a page from a document related to the Busch-Reisinger Museum at Harvard University, specifically detailing an organ in the Romanesque Hall. The organ was built in 1958 by D. A. Flentrop of Zaandam, Holland. The text describes the organ as a modern instrument constructed according to the tonal and mechanical principles of classic organs in Europe.

Key principles of the organ's construction are outlined as follows:

1. Tracker action: Direct mechanical linkage between key and pipe valve.
2. Slider chests: Pipes of the same note within each division standing on a common windway.
3. Classic specification: Classic pipe voicing throughout the instrument.
4. Low wind pressure: Ranging from 1 7/16" to 2 1/16".
5. The organ is free-standing and not enclosed in chambers or swell boxes, with each division (Hoofdwerk, Rugpositief, Borstwerk, and Pedaal) focused by a case.

The document further explains that these construction methods, voicing techniques, and the placement of different divisions were developed and perfected over many centuries, resulting in a high degree of playing control, articulation, and singing quality of tone, which has been lost in modern electric-action organs.

The specification of the organ is broken down into four divisions:

1. Hoofdwerk (Hauptwerk):

   • Prestant 8'
   • Roerfluit 8'
   • Octaaf 4'
   • Spitsfluit 4'
   • Nasard 2 2/3'
   • Vlakfluit 2'
   • Terts 1 3/5'
   • Mixtuur IV Rks

2. Rugpositief (Positiv):

   • Holpijp 8'
   • Prestant 4'
   • Roerfluit 4'
   • Gemshorn 2'
   • Octaaf 2'
   • Mixtuur II Rks
   • Kromhoorn 8'

3. Borstwerk (Brustwerk):

   • Zingend Gedekt 8'
   • Koppelfluit 4'
   • Prestant 2'
   • Siffliet 1'
   • Cymbel I Rk

4. Pedaal (Pedal):

   • Bourdon 16'
   • Prestant 8'
   • Gedekt 8'
   • Fluit 4'
   • Mixtuur III Rks
   • Fagot 16'
   • Trompet 8'

Couplers:

• Hoofdwerk = Pedaal
• Rugpositief = Pedaal
• Borstwerk = Pedaal
• Rugpositief = Hoofdwerk
• Borstwerk = Hoofdwerk

The image shows a page from a document from the Busch-Reisinger Museum at Harvard University. It details the specifications of an organ installed in the balcony of the Romanesque Hall in 1958 by D. A. Flentrop of Zaandam, Holland. The organ is constructed according to the tonal and mechanical principles of classic European organs.

Key features of the organ include:

1. Tracker action with a direct mechanical linkage between the key and pipe valve.
2. Slider chests with pipes of the same note within each division standing on a common windway.
3. Classic specification, with classic pipe voicing throughout the instrument.
4. Low wind pressure, ranging from 1 7/16" to 2 1/16".
5. The organ is free-standing, not enclosed in chambers or swell boxes, with each division (Hoofdwerk, Rugpositief, Borstwerk, and Pedaal) focused by a case.

The document lists the specifications of the organ's various divisions and stops:

Hoofdwerk (Hauptwerk)

• Prestant 8'
• Roerfluit 8'
• Octaaf 4'
• Nasard 2 2/3'
• Vlakfluit 2'
• Terts 1 3/5'
• Mixtuur IV Rks

Rugpositief (Positiv)

• Holpijp 8'
• Prestant 4'
• Roerfluit 4'
• Gemshorn 2'
• Mixtuur 1 1/3'
• Kromhoorn 8'

Borstwerk (Brustwerk)

• Zingend Gedekt 8'
• Koppelfluit 4'
• Prestant 2'
• Siffliet 1'
• Oysbel 1 Rk

Pedal

• Bourdon 16'
• Prestant 8'
• Gedekt 8'
• Fluit 4'
• Mixtuur III Rks
• Fagot 16'
• Trompet 8'

Couplers

• Hoofdwerk - Pedaal
• Rugpositief - Pedaal
• Borstwerk - Pedaal
• Rugpositief - Hoofdwerk
• Borstwerk - Hoofdwerk

The document emphasizes the historical significance and craftsmanship of the organ, noting that the construction techniques and voicing methods were perfected over many centuries of organ building, providing a high degree of playing control and tonal quality.

The image shows a document page from what appears to be a printed book or academic paper. The text on the page primarily discusses the specifications of an organ that seems to be housed in the balcony of the Romanesque Hall. It was built in 1958 by D. A. Flentrop of Zaandam, Holland. It is stated that the organ follows the tonal and mechanical principles of classic organs in Europe.

The principles outlined in the document can be summarized as follows:

1. Tracker action, direct mechanical linkage between key and pipe valve.
2. Slider chests, pipes of the same note within each division standing on a common windchest.
3. Classic specification, with classic pipe voicing throughout the instrument.
4. Low wind pressure, 2 1/16" to 2 1/16".
5. The organ free standing (not enclosed in chambers or swell boxes) with the action visible from the gallery (Hoofdwerk, Rugpositief, Borstwerk and Pedaal) focussed by a case.

Below these principles, the document lists the specific organ stops and their measurements in a tabulated form. There are columns for "HOOFDWERK" (Great organ), "RUGPOSITIEF" (Positive organ), and "BORSTWERK" (Chest organ), detailing the various pipes' registers such as Prestant, Roerfluit, Octaaf, and others. The specifications for the PEDAL (pedalboard) are listed as well, including stops like Bourdon, Prestant, and Trompet.

The text is mostly in English, but the specifications table includes Dutch terms reflecting traditional organ stop names, and the layout of the page is neat, with clear headings and alignment of the text. There is also a portion of another page visible at the bottom right, which appears to be the continuation of the organ specifications or related content.

At the top left corner of the document, there is a mention of "BUSCH-REISINGER MUSEUM" and "HARVARD UNIVERSITY", suggesting that the document is related to that institution.

The image appears to be a photograph of an open book or document, with the pages slightly curled at their edges, and the background includes a portion of the surface on which the document rests.

The image shows a typed document on a piece of paper titled "BUSCH-REISINGER MUSEUM" at the top left and "HARVARD UNIVERSITY" at the top right.

The document describes "THE ORGAN" located in the balcony of the Romanesque Hall, which was built in 1958 by D. A. Flentrop of Zaandam, Holland. It explains that it is a modern instrument constructed according to the tonal and mechanical principles of classical European organs.

The text outlines five main principles of the organ construction:

1. Tracker action: direct mechanical linkage between key and pipe valve.
2. Slider chests: pipes of the same note within each division standing on a common windway.
3. Classic specification: with classic pipe voicing throughout.
4. Low wind pressure: from 1 7/16" to 2 1/16".
5. The organ free standing: not enclosed in chambers or swell boxes, with each division (Hoofdwerk, Rugpositief, Borstwerk, and Pedaal) focused by a case.

The document further explains that these methods evolved over centuries of organ building, providing degree of playing control and an articulation quality of tone lost in modern electric-action organs.

There is then a list detailing the specific organ divisions and their specifications, categorized under HOOFDWERK (Hauptwerk), RUGPOSITIEF (Positiv), BORSTWERK (Brustwerk), and PEDAAL (Pedal), including various stops and their corresponding pipe lengths in feet or ranks.

Finally, a section labeled "Couplers" lists connections between the different divisions of the organ.

The page is part of a bound book, with other aged papers visible on the left, indicating this document might be archival or part of a museum catalog or report.

The image shows an open book, likely a catalog or archival document, detailing the specifications of an organ located in the balcony of the Romanesque Hall. The book is from the Busch-Reitsinger Museum and is associated with Harvard University, as indicated by the text at the top of the page.

Key Details from the Image:

Title and Context:

• Title: The organ in the balcony of the Romanesque Hall was built in 1958 by D. A. Flentrop of Zaandam, Holland.
• Purpose: It is described as a modern instrument constructed according to tonal and mechanical principles of classic organs of Europe.

Summary of Principles:

The document outlines five key principles used in the organ's construction:

1. Tracker action: Direct mechanical linkage between the key and pipe valve.
2. Slider chests: Pipes of the same note within each division standing on a common windway.
3. Classic specification: Classic pipe voicing throughout the instrument.
4. Low wind pressure: Of 1 7/16" to 2 1/16".
5. Free-standing: Not enclosed in chambers or swell boxes, with each division (Hoofwerk, Rugpositief, Borstwerk, and Pedal) housed by a case.

Organ Specification:

The document provides a detailed specification of the organ's divisions and stops, organized into three main sections:

1. Hoofwerk (Principal Work):

   • Prestant (8')
   • Roerfluit (8')
   • Octaaf (4')
   • Spealfluit (4')
   • Nasard (2 2/3')
   • Vlakfluit (2')
   • Terts (1 3/5')
   • Mixtuur (IV Rks)

2. Rugpositief (Positiv):

   • Holpijp (8')
   • Prestant (4')
   • Roerfluit (4')
   • Geharmonium (2')
   • Quint (1 3/2')
   • Mixtuur (II Rks)
   • Bourdon (8')

3. Borstwerk (Chest Work):

   • Zingend Gedekt (8')
   • Koppelfluit (4')
   • Prestant (2')
   • Sifflet (1')
   • Cymbel (1 Rk)

Pedal Division:

• Bourdon (16')
• Prestant (8')
• Gedekt (8')
• Fluit (4')
• Mixtuur (III Rks)
• Fagot (16')
• Trompet (8')

Couplers:

• Hoofwerk – Pedal
• Rugpositief – Pedal
• Borstwerk – Pedal
• Rugpositief – Hoofwerk
• Borstwerk – Hoofwerk

Visual Description:

• The book appears to be a bound volume with aged, slightly worn pages, suggesting it is part of an archival or historical collection.
• The text is printed in a clear, formal font, typical of technical or archival documentation.
• The layout is structured, with headings, bullet points, and a tabular format for the organ specifications.
• The book is open to a single page, with visible page numbers and marginal text indicating its source (Busch-Reitsinger Museum and Harvard University).

Overall Impression:

The image depicts a detailed technical description of a historic organ, emphasizing its construction principles and specifications. The document serves as a reference for understanding the organ's design, mechanical features, and tonal characteristics, reflecting the craftsmanship and tradition of organ building in the mid-20th century.

The image is a page from a book or document titled "BUCH-REISSNGER MUSEUM HARVARD UNIVERSITY." The page appears to be discussing the construction and specifications of an organ located in the balcony of the Romanesque Hall, which was built in 1958 by D. A. Flentrop of Zaandam, Holland. The organ was constructed according to the tonal and mechanical principles of the classic organs of Europe.

The page contains a list of specifications for the organ, including details about the different divisions (Hoofwerk, Rugpositief, Borstwerk), the number of stops, the size of the pipes, and the wind pressure. The page also includes a table that lists the various stops and their corresponding sizes.

The text on the page is written in a formal and technical tone, with references to the principles of organ construction and the evolution of these principles over time. The page appears to be part of a larger discussion of the history and significance of the organ, as well as its role in the musical tradition of Europe.