Title
Unique Calculating DevicesCatalog Number
102710315Type
Still imageDescription
B&W image of several calculating devices including a slide rule in cigarette lighter case, napier's bones, two dividers, and two circularastrolabe like devices.
Identifying Numbers
| Other number | 4-13A | Recto top right margin |
Dimensions
overall: 8 in x 10 inCategory
PhotographCredit
Courtesy of Gwen BellLot Number
X7413.2015