
Title
Replica of "Napier's Bones" multiplication deviceCatalog Number
X2253.2002Type
Physical objectDescription
Paper mechanical calculator --Given to Gordon Bell by Peter Roubos (who gave a copy to everyone who purchased a copy of the Schickard calculating machine he made - mrw). Size is dimensions of the boxA set of Napier's bones printed or photocopied on blue paper in a yellow box.
A second set of these same bones (on loan from Mike Williams) is currently in visible storage
Object consists of a cardboard box, instruction sheet and eleven "bones"
Manufacturer
Roubos, PeterPlace Manufactured
NetherlandsIdentifying Numbers
Other number | B1625.01 |