THIS little book of 75 pages is designed to give to amateurs practical information as to the construction of a small working dynamo-machine. What is aimed at is the building up of a machine ...

Dynamo Micropower gets $ to build micro machine. expand. Jason Ethier is the co-founder of Dynamo Micropower, who wants to shrink the weight of a home gas generator by about 160 pounds.

Chapter IV. treats of those dynamo-electric machines which generate continuous currents, beginning with Pacinotti's machine of 1863, and including the well-known forms of Gramme and Siemens (v.