PALMER, AARON |
USA, fl.1843-47, MIM |
Palmer's Card Calculator = Soth. 10/3/88. |
registered a form of circular side rule in 1843 which was made by John E. Fuller; was bought out by John E. Fuller who added his rule to the reverse side, as an improvement, in 1847. |
Boston, Mass. |
G.L'E. Turner 24; Coffeen 15; Delehar 9; RSW. |
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