Title
Halders Calculex - Circular Slide RuleCatalog Number
102710318Type
Still imageDescription
B&W image of Halders Calculex circular Slide Rule.Verso: Paper label: "Please Return To: The Computer Museum Photographic Archives 300 Congress Street Boston, MA 02210"
Photographer
Bromfield, DavidIdentifying Numbers
| Other number | P2067 | Verso |
| Other number | P83.13 | Verso |
Dimensions
overall: 10 in x 8 inCategory
PhotographCredit
Courtesy of Gwen BellLot Number
X7413.2015