Slide Rule Albert Nestler No 37 Elektro (1125)
Index: 1125
Year: Around 1940's ?
Maker: Albert Nestler A.G.
Dimensions: 4 x 2 x 29 cm
Info
Monochrome early version of the No 37 calculating rule. Among others used to calculate the losses in electrical wire. On the back are tables mostly related to electrical properties of materials.
