With an Appendix on the Repair of Bicycle Frames; Notes on Alloys and a Chapter on Soft Soldering Harvey Rowell. 25ct. BOORS. SIMPLE ... Making and using simple forms of telephones and microphones, with 29 illustrations SMALL ELECTRIC MOTORS. How to make and use them, including design, examples of small motors and their applications, speed controllers, starters, fuses, etc. 48 illustrations.
|Title||:||Manual of Instruction in Hard Soldering|