![]() ![]() Typewriter and the history of it's developement), publ. SchraderĮrnst Martin, Die Schreibmaschine und ihre Entwicklungsgeschichte(The ![]() #18)Īllowance Sheet 1918, made available by Andrew B. (note: The source for this article was at least partially Ref. * Joan Sales,"Date your Underwood Typewriter" - Website : However, for the purposes of validation we have been able to confirm the source. Usually it means we have a copy of the document in question, but it might be in the form of a later edition list. Indicates source data the current list maintainer has access to. Burroughs Standard Typewriter - A Second Look.On This Day in Typewriter History: The Burroughs Typewriter, Not Burroughs' Typewriter. ![]() Model 60 begins in 1933, Model 60 has Motorized Carriage Return (MCR) with electric motor, and carries a serial that will be very close to the same series as Model 50, but they are in fact different series, and diverge from one another in later years (see above). See Class 60 list to date Class 50's above about A400k Model 60 begins in 1933, Model 60 has Motorized Carriage Return (MCR) with electric motor, and carries a serial that will be very close to the same series as Model 50, but they are in fact different series, and diverge from one another in later years (see below).įactory accounting ends in 1940, but existing serials suggest that production continued at least into 1941. Model 50 begins in 1931, Model 50 is fully manual, with no electric motor. This prefix can have modifiers to indicate special features (C60, etc.) Some serials are prefixed with the model number (50 or 60). Serial number is found stamped into the rear carriage rail, best seen from front of machine on left side after moving carriage to the right. ![]()
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