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Musicwriter: Model Galleries

Musicians Model Publisher Model SG3 Studio Musicwriter

Musicwriter: Typewriter Serial Number Age List

Serial Number Table Last Edited: 07/29/16 08:33
NOTE: dates shown are JAN 1 unless noted, so the serial number shown is the *first* serial number produced the given year. Exceptions are serial numbers preceded by "up to"(where you can assume that the numbers reported in that subsection are DECEMBER 31, END OF YEAR NUMBERS) or rows where a month is given in the month column. If the serial number is shown as a range (xxxx-xxxx) it indicates that we know the entire range of serial numbers for the given year.

Models and s/n Y M D Remarks Ref.
Platen Diameter       unknown 24
History   Patents:
US2672228
Filed Nov 29, 1950 • Issued Mar 16, 1954
US2904156 A
Filed Jun 18, 1956 • Issued Sep 15, 1959
US3388781
Filed Aug 5, 1966 • Issued Jun 18, 1968
US3767023
Filed Nov 22, 1968 • Issued Feb 28, 1978
US3900098
Filed Oct 18, 1973 • Issued Aug 19, 1975
Music Print Corporation formed by Cecil Effinger (1914-1990) at 828 Pearl Street, Boulder, Colorado USA on June 9, 1955 73
  1946     Prototype model produced in Fall of 1946, around the size of a ping-pong table. Effinger approached Royal to manufacture, but was rebuffed. 73
  1948 01   First patent application for design. 73
  1948     Effinger consults with IBM on new card-table sized prototype model. IBM declines to manufacture this design. 73
  1949 11   November, 1949: Effinger secures $1000 grant from Council on Research and Creativity at University of Colorado to produce a third design based on a late 40's Smith-Corona Super-5. This prototype is completed in 73
  1950 12   December, 1950: Effinger completes the Smith-Corona based prototype and travels to New York to attempt again to secure a manufacturer. The SCM-based prototype is shown to Royal, Underwood, IBM and Remington Rand. By 1953, all four have declined to manufacture the machine. 73
  1954     Patent is approved. 73
  1955     Effinger revises his design twice more and then approaches R. C. Allen with a proposal to allow him to modify off-the-line machines to his specifications. R. C. Allen agrees and MPC is formed. First R. C. Allen based Musicwriters begin to roll off the line. 73
Models          
R. C. Allen 1955-1965 All R. C. Allen based Musicwriters (Model 10, Musicians Model, Publisher Model) are modified from factory machines with factory series numbers, and therefore can be dated using the R.C. Allen serial number list. 73
Smith-Corona 1962 The "Studio Model" Musicwriter was batch manufactured in 1962 by SCM to MPC specs, based on a Galaxie design. Probably less than 1000 made, and were sold between 1962 into the late 1960's. Like most Galaxie-based custom designs by SCM, the Studio Musicwriter carries its own serial number series. Highest serial number found yet is 517. 73
Olympia 1965-1993 From the mid-1960's through the early 1980's, MPC modified stock Olympia SG3's (and also some electronic daisywheel models starting in 1983 until 1993) into Musicwriters. These carry stock Olympia serial numbers, sometimes with an "M" prefix, and can be dated using the Olympia serial number list. The later daisywheel Olympias can be dated by case datestamps or other internal datestamps. 73
IBM 1973-1990     MPC designed a number of other typewriter conversions for specialized print work, including free-platen versions of IBM Selectric III for technical drawing applications beginning in 1973. These can be dated by internal case datestamps and potentially a datestamped motor. 73
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