Ott Large Polar Planimeter (0078)
Index: 0078
Year: ?
Maker: Ott
Dimensions: 43 x 5 x 10 cm (box)
Info
Polar planimeter (assume compensation as the wheel mechanism can ride under the pole arm). The length of the pole arm is approx 37 cm. The tracing arm is adjustable with fine adjustment and nonius.
In the box 2 copies of the same article about how to use the Ott Polar Planimeter. Article is from 1943, assuming this planimeter predates this date?
References/Links/More Info
Inscriptions on Pole Arm:
A. OTT KEMPTEN
No 55101
On Mechanism and Calibration Plate:
No 55101
