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Pearl (Sjoberg): Typewriter Serial Number Age List

Serial Number Table Last Edited: 08/28/16 06:45
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.

  1890-1893 Patents:
Filed Jan 27, 1890 • Issued Jan 20, 1891
Filed Sep 2, 1892 • Issued Mar 7, 1893
Designed by G. J. A. Sjoberg of Brooklyn, New York, NY, USA. and produced by Garvin Machine Co. of the same city. Very few survive.
Not to be confused with the Pearl of 1887 or the "Searing" Pearl, also from 1891.
Models and s/n Y M D Remarks Ref.
1891 Rubber type circular index, type only mounted to 240 degrees of the circumfrence. Inking by means of a roller on each side of the print point and printing only upper case letters. The type wheel turns by means of a lever which was pressed to print, or when 'space' is selected on the index, it spaces. 27
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