Mechanical Music Digest  Gallery
You Are Not Logged In Login/Get New Account
Please Log In. Accounts are free!
Logged In users are granted additional features including a more current version of the Archives and a simplified process for submitting articles.
Home Archives Calendar Gallery Store Links Info
MMD > Gallery > Tech


Announcement: End-of-Year Fundraising Drive In Progress

Our End-Of-Year Fundraising drive is in progress. If you haven't contributed to the operation of the MMD in the last 12 months, this would be a great time to contribute. There's a PayPal link at the bottom of each page on the website.

If you aren't sure when you last contributed, please send me a note using the contact form at the bottom of this page and I'll look you up in my records.

Thank you for your generous support!
Jody

P.S. While your support is needed and appreciated, you do not need to contribute to be a subscriber. If you have subscribed and aren't receiving your Digest, please use the contact form at the bottom of the page and let me know. Thanks!

MMD Technical Library
MMD Technical Library

Orchestrelle Feature Article - It's a book!
Rebuilding the Æolian Orchestrelle 58-Note Player Reed Organ, 1912 Model "W" -- by Richard Vance

Restoration Techniques:
Etched Brass Name Plate for Regina Musical Box  -- by Craig Smith (110318 MMDigest)
Replicating Aeolian Lithographed Celluloid Nameplates -- by Richard Vance
"Roosevelt" Type Font for Aeolian Organs -- by Robbie Rhodes
Making a New Bottom Board for an Upright Piano -- by David Vanderhoofven, RPT (030604 MMDigest)
Recovering Player Piano Bellows -- by John A. Tuttle (040308 MMDigest)

Music Boxes & Organettes:
A unique music box movement (the "DDR movement") -- by Hauke Marxsen
How To Make a Regina Coin Mechanism -- by Bill Wineburgh (010708 MMDigest)
Polyphon Top-Mounted Dampers -- by Craig Smith (001111 MMD)
Mignon 22-note Reed Organette -- text and drawings by Hans van Oost
Inversus: Sankyo 20-Note Moebius Strip Plays Inverse Music -- by Roland Tremblay (030204 MMDigest)
Retrograde Music for Sankyo 20-Note Paper Strip Movement -- by Roland Tremblay (030228 MMDigest)

Organs:
Manischewitz Wine Bottle Organ -- by Phil Dayson (120828 MMDigest)
Inventor L. B. Doman & The Maestro Co., Elbridge, New York -- documents courtesy Dave Kerr
65- & 69-key Gebruder Bruder Organs in America -- by Jeff Alterman (001213 MMD)
The Leach & Overington 89-Key Concert Organ -- by Andrew Leach (030225 MMDigest)
Aeolian Pipe Organ Plays Duo-Art Music -- pictures courtesy Paul Morris
Making Brass Flat Wire for Organ Barrel Pins -- by Craig Smith (090711 MMDigest)
Key Adjusters for Poirot Mirecourt Organ -- by Craig Smith (090817 & 090819 MMDigest)

Wurlitzer:
Wurlitzer Company Records
Wurlitzer Band Organ Factory Ledgers -- by Matthew Caulfield (080212 MMDigest)
Wurlitzer 125 Band Organ -- compiled by Robbie Rhodes
Wurlitzer 165 Band Organ Specification -- compiled by Robbie Rhodes
Wurlitzer Long Roll Tracker Frame -- image files from U.S. Patent Office
Instructions for Tuning Military Band Organs -- courtesy Matthew Caulfield
Make Wurlitzer Valves With "Pem" Fasteners -- by Don Teach (040816 MMDigest)

Gages & Testing & Test Instrumentation:
Manometer Vacuum Gage With Water Trap -- by Richard Vance (MMD 060123)
Leak Meter -- by Johan Liljencrants.  A simple low-rate air flowmeter you can make yourself.
Testing Pouch Leather Sealants -- by Craig Smith   (000721 MMD)

Pipes:
Dimension Tables for Band Organ Pipes -- by Marc Elbasani
How to Make Harmonic Freins -- by Marc Elbasani
Simplified Reed Pipe Construction  -- by Marc Elbasani
Build a Simple Organ Pipe,  "A cross between a flute and a pennywhistle" -- by John Kleinbauer
"No Arithmetic" Flute Pipe -- by Vicki Webb (PDF file, 156 kb)
Organ Reed Pipe Tongue Dimensions -- by Johan Liljencrants (MMD 010125)
Recipe for Wooden Organ Flue Pipes, with Designers Formulæ, Spreadsheet and Measurements -- by Johan Liljencrants
Tremolo and Vibrato Sounds -- by Johan Liljencrants
Ising's formula for pipe-mouth dimensions  -- by Johan Liljencrants
Pipe cut-up and flue pipe dimensioning chart based upon Ising's formula -- by Johan Liljencrants
Wurlitzer Caliola Organ Pipe Dimensions -- by Julie Porter (070407 MMDigest)

Percussion:
The Construction and Tuning of Vibrating Bars -- by W.E. Flynt
Calculations for Xylophone Bars -- by Jack Breen (980321 MMDigest)
Developing an organ harp -- by Johan Liljencrants
Resonators and Q value -- by Johan Liljencrants
Replacing a Drum Skin -- by Walt Kehoe (060519 MMDigest)

Bellows (Feeder) Pump & Regulator:
Building Organ Bellows, Classical Organ Style & Estey Reed Organ Style -- by Richard Vance
Bellows Pump with Internal Shunt Regulator -- by Hans van Oost
Organ Pressure Regulator and Tremulant -- by Johan Liljencrants
Pushing and Bouncing Air - Some reflections on the Theory and Practice of Pipe Organ Wind Supply -- by Johan Liljencrants

Valves & Pneumatics & Pneumatic Controls:
How to Fold the Cloth in a Pneumatic -- by Troy Taylor (081021 MMDigest)
Pneumatic Pouch Forces - A Designer's Aid -- by Johan Liljencrants
Pouch Operated Valves -- by Johan Liljencrants
Damper for Harp or Chrysoglott -- drawing by Richard Vance (MMD 020108)
Magnet Valves for player pianos and organs
Making Wurlitzer Unit Valves -- by Bob Humes (070217 MMDigest)

MIDI Control:
Octet Design Corporation Products
"MIDI: Musical Instrument Digital Interface" -- by Mike Ames,
    Originally published in Mechanical Music, Vol. 47, No 1, Spring 2001.
MIDI Control for Frati-Hymnia Orchestrion -- by Willy van der Reijden (020312 MMD)
Decap "MidiMapper" Software Program -- contributed by Tony Decap (030331 MMDigest)
Using Cakewalk to Adapt Music for Street Organ -- contributed by Hans van Oost (030419 MMDigest)

Tuning:
"Tuning", by Owen H. Jorgensen -- book review by John Rhodes
Mathematics of Stringing -- by Doug Rhodes (MMD 96.07.03)
Instructions for Tuning Military Band Organs -- courtesy Matthew Caulfield
Sound Speed and Pipe Tuning -- by Johan Liljencrants
Sound Speed and Pipe Tuning -- by Johan Liljencrants [formulae as images]

'Pianolas' & Pianos:
1917 Kimball Player With Pushbutton Controls -- by John A. Tuttle (100212 MMDigest)
Dating French Pianos by Serial Number -- by Jean-Pierre Jouandet (MMD 010201)
Kastner "Kastonome" Accenting Player System -- photos by Iñigo Perez-España, Madrid
Aeolian Themodist Schematic Diagram -- by Richard Vance
Mandolin attachments (for the "honky-tonk" sound) -- by B Bronson
Single-Finger Music Roll Tracking System -- by Julian Dyer
Music Roll Tracking Systems -- by Richard Vance
Aeolian Pianola Player Brake Adjustments -- by Richard Vance (MMD 001002)
Electric Motors for Player Pianos -- compiled by Robbie Rhodes
Hickman Grand Piano Action -- compiled by Robbie Rhodes
Farrand Cecilian Player Action -- by Ed Gaida (020302 MMDigest)
Sloping Bench for Pianola
M. Schulz Co. "Tuner's and Repairman's Manual" -- courtesy Gary Stevenson
Duo-Art Valve Pouches -- by Mark Fudge (030122 MMDigest)
Air-O-Player Tracking Adjuster -- drawing by C. H. Short, August 23, 1917
Volume Indicator for Player Piano-- by John A. Tuttle (040501 MMDigest)

Expression & Reproducing Players

Ampico:
Ampico -- excerpts from the Ampico "Model B" 1929 Service Manual
Spark Chronograph -- by Clarence Hickman, J.A.S.A, Oct. 1929
Spark chronograph, photograph (JPEG 964 kb) -- courtesy John A. Tuttle
Key force recorder, photograph (JPEG 1001 kb) -- courtesy John A. Tuttle

Duo-Art:
Duo-Art Fan Accordion Expression Units -- by Bruce Grimes (040517 MMDigest)
Duo-Art Tubing Diagram, 1925 Steinway Duo-Art Grand Piano -- courtesy Eliyahu Shahar
Duo-Art Piano Concertola Drawings -- by James Heyworth (030621 MMDigest)
Pedal Duo-Art (Half Duo-Art) Tubing Diagram -- drawing courtesy of Alan Turner

Welte-Mignon:
"Welte On/Off" Selector Tubing Diagram -- by Howard Goldberg
Tubing Schematic for Welte-Mignon Licensee -- by John Grant (120707 MMDigest)

Hupfeld DEA:
Hupfeld DEA Reproducing Piano

Nickelodeons & Orchestrions:
Universal Nickelodeon Diagram -- drawn by David McQuaide, forwarded by John A. Tuttle (110218 MMDigest)
Mills Violano-Virtuoso
Tubing Connections for Seeburg Style "L" And Other A-roll Cabinet Pianos -- by Art Reblitz (020318 MMDigest)
Reproduco Piano-Organ (Operators Piano Co.) -- compiled by Robbie Rhodes

Schematic Diagrams & Drawings for Player Pianos & Organs
Wurlitzer 1203 Player Piano Power Problem -- by John A. Tuttle (120108 MMDigest)
PPCo Vacuum Pump Speed Controller Diagram -- by John A. Tuttle
Lauter-Humana Layout Diagram & Poker Tool -- by John A. Tuttle
Aeolian Themodist Schematic Diagram -- by Richard Vance
Mignon 22-note Reed Organette -- by Hans van Oost
Duo-Art Tubing Diagram, 1925 Steinway Duo-Art Grand Piano -- courtesy Eliyahu Shahar
Duo-Art Piano Concertola -- courtesy Jim Heyworth

Music Rolls & Tracker Bar Scales:
1908 Buffalo Convention Piano Roll Specifications -- by Matthew Caulfield (080219 MMDigest)
Bass/Treble Player Piano Split Points -- by Julian Dyer
Identifying music rolls -- "Measure the width of the paper and the distance between the punched holes."  Then check the tables.
"Carl Frei 20er" 20-note crank-organ scale -- by Robbie Rhodes
Cakewalk CAL Template Changes MIDI Note Numbers -- by Tony Decap (001107 MMD)
Piano Roll Graph Paper -- by J. B. Roth
Tracker bar scales -- photos and descriptions
Transcribing music rolls -- Wayne Stahnke's "View" program and sample WEB data files.
Cakewalk CAL Program for WEB Files -- by Walter Tenten (030120 MMDigest)
Wurlitzer APP & Caliola Scale -- compiled by Robbie Rhodes

Music Roll Spool Frames & Readers:
Pratt-Reed Spoolbox & Transmission -- illustration courtesy John A. Tuttle
Spool Frames, Pulleys & Pumps -- Photos and engineering data
Mills AC/DC Rotary Converter -- U.S. Patents
Tracker Bar Select Switch -- by Robbie Rhodes (031227 MMDigest)
Nickelodeon Spool Frame With Belt Drive -- by Ed Gloeggler (040528 MMDigest)

Pneumatic & Optical Roll Readers:
Pneumatic Switch Assembly for Reading Music Rolls-- by Richard Vance
Fiber Optics Reader for Music Rolls -- by Horst Mohr
USB Controller for CIS Optical Roll Reader -- by Julie Porter

Reference data:
Mechanical Forces Developed in Pianola Pneumatic Motors (rumpf_1.doc, 65 kb) -- by Paul Rumpf, November 2008
Mechanical Forces Developed in Pianola Pneumatic Motors (rumpf_1.pdf, 122 kb) -- by Paul Rumpf, November 2008
Forms of Shellac -- by Craig Smith (080306 MMDigest)
Pitch Shift From Change In Loudness -- by Johan Liljencrants (031217 MMDigest)
Wood for Mechanical Music Instruments -- compiled by Hans van Oost
Ozone

Miscellaneous:
Economical Audio Recording -- by Johan Liljencrants (040125 MMDigest)
PDFILE.EXE (217 kb) recovers individual songs from corrupt PianoDisc and Yamaha diskettes -- by Julie Porter (041118 MMDigest)


24 September 2012

Home    Archives    Calendar    Gallery    Store    Links    Info   


Enter text below to search the MMD Website with Google
Loading



CONTACT FORM: Click HERE to write to the editor, or to post a message about Mechanical Musical Instruments to the MMD

Unless otherwise noted, all opinions are those of the individual authors and may not represent those of the editors. Compilation copyright 1995-2017 by Jody Kravitz.

Please read our Republication Policy before copying information from or creating links to this web site.

Click HERE to contact the webmaster regarding problems with the website.

Please support publication of the MMD by donating online

Pay via PayPal

No PayPal account required

                                                       
Translate This Page

. .