K&E 4242 Family of Polar Planimeters
4242 Polar Planimeter
- 4242 ------- A 4242 that appears to be from the late 1940's. States "MADE IN GERMANY". Serial number 11168
- 4242 1/2 --- Older style, probably early 1950's with tracer point. No manufacturer"s location. Serial # 2070. The box it comes in states 4242 1/2 while the calibration labels in the box state 4242
62 0015 Polar Planimeter
- 62 0015 --- A 4242 in the new numbering system with a tracer lens. Has the words "GERMANY" and "PARAGON" on it. Serial #27770.
62 0022 Polar Planimeter
- 62 0022 --- A 4242 in the new numbering system with a tracer point. Has the word "GERMANY" on it. Serial #33758.