R.M. Hull scratched on the slider and the back of the slide. Scratched on the back of the slide are the initials of several power companies: "AP Co.", MP Co, GP Co. SCP Co, PP&L Co. NYE Co." General Electric and the GE logo are etched on the front of the slide. The object consists of the slide rule, case and a cardboard support for the case.
Manufacturer
Dennert & Pape
Place Manufactured
Germany
Identifying Numbers
Model number
012b
Other number
3C
Engraved on the surface behind the slidel
Other number
NL126
Scratched onto the surface behind the slide
Other number
P117
Donor's ID number for rule
Dimensions
overall: 1/8 in x 6 1/2 in x 1 3/4 in; overall: 3/8 in x 6 in x 1 1/4 in
