Volume 8; Issue 4

1

Micrometer water level and pressure gauge

Year:
1931
Language:
english
File:
PDF, 148 KB
english, 1931
2

A new type of wattmeter

Year:
1931
Language:
english
File:
PDF, 401 KB
english, 1931
3

Correspondence

Year:
1931
Language:
english
File:
PDF, 94 KB
english, 1931
4

Nickel-iron alloys and their application to instrument construction

Year:
1931
Language:
english
File:
PDF, 334 KB
english, 1931
5

A visibility meter

Year:
1931
Language:
english
File:
PDF, 408 KB
english, 1931
6

An easily made sensitive relay

Year:
1931
Language:
english
File:
PDF, 73 KB
english, 1931