Model Engineer Index 1898 to Feb 2025

Year 1915
Date 18-Feb
Volume 32
Issue 721
Page 136
Category Electrical
Part
Title A 20-Cell Electro-Medical Constant-Current Battery
Author G.Gentry
Notes Cross section of case, switchboard clamp, detail of commutator, detail of bolt for small case, showing position of carrying case for galvo. fittings, sketch explaining principle of commutator, crossover switch