TitleAssorted Napier's bones
Dimensions9 1 2/ x 11 1/4 in.
DescriptionThis is a black and white image of six sets of Napier's bones, a set of bones labeled "Pro Quadrata", and a another set labeled "Pro ...olido".
The six sets of bones consist of numbers with nine diagonal black lines. The set of bones labeled "Pro Quadrata" has grid table filled with numbers. There is a wooden box on the top left corner on the image and a wooden lid on the top right corner of image. Written on the verso side in blue pen is "3846/3" and in black pen "10/1, 58". Also written in verso side in pencil is "E.Tomash Figure 8". There was a "12" written but has been crossed off. Written on on the white label is "PROPERTY OF ANNALS OF THE HISTORY OF COMPUTING 133 McBryde Hall Virginia Tech Blacksburg, VA 24061-0119".