Year | 1903 |
Date | 31-Dec |
Volume | 9 |
Issue | 140 |
Page | 629 |
Category | Electrical |
Part | |
Title | How to Make Experimental Electrical Apparatus |
Author | T.G.J. |
Notes | Astatic Galvanometers. Base, levelling screws, supporting pillar & arch, head & swivel, setting-out needle, pointer, spring clothes peg |