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Palmer's Computing Scale [ Full Size ]

Massachusetts: Aaron Palmer 1843 [ but circa 1845 ]. A circular slide rule. 10 15/16 x 11 inches x 3/8 inch thick constructed of two layers of book board. The upper board with a cutout volvelle in a circular form attached to the rear book board with a metal rivet..... More

Palmer's Computing Scale [ Full Size ]. Aaron Palmer
Item #20008

Price: $1,250.00

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