Keywords
- Machine Repair78
- Machine Shop78
- Recreation78
- Solomon Weidenheimer78
- Thomas Maurer78
- Universal Milling Machine Operation78
- Wayne Heinz78
- William Ulrich78
- Wyomissing Polytechnic Institute26
- Penn State Berks15
- Drawings14
- Blueprints13
- Dorsen A Berger 13
- Edward Wiswesser 13
- Fritz Hessemer 13
- Gerald Brown 13
- Jack G Nill13
- Mark A Vaught13
- Martin N Gyomber 13
- Paul W Gehris 13