Fig. 1: Machin-B1b-Front
- Cloth: Depression tan right twill
- Design: Two short embroidery lines in handle
- Embroidery: Continuous loop silk
Fig. 2: Machin-B1b-Reverse
- Back: Black imprint
Item Name: Machinery 1934
Item ID: Machin-B1b
Collector Rating: 1
Pamphlets Used to Earn this Badge
Requirements March 1931 until January 1957
1. Describe the construction of a lathe, planer, shaper, drill press, and steam boiler; also explain the purpose for which each is intended.
2. Name at least twelve of the principal hand tools used by machinists.
3. Construct a wood or metal model illustrating the principles of levers, gears, pulleys or black and tackle.