1. Teacher lecturing to over a dozen students in a classroom Collection: Early 20th Century Engineering Lantern Slides Set: Personnel Date: undated Format: Image Agent: unknown
2. Close up of electronic milling tool cutting a bracket for an airplane propeller in Chicago Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Chicago, Illinois Date: undated Format: Image Agent: unknown
3. Revolving vertical turrets machining parts in assembly line Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4. Hand operated filling pump Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
5. Motorized turret lathe by Potter and Johnson, their name imprinted on the machine. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
6. Motorized turret lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: Pawtucket, Rhode Island Date: undated Format: Image Agent: unknown
7. Ore packed around studded tubing before melting down Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
8. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. It appears the round pieces of wood are flipped from a dark side to a light side. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
9. Manual dexterity test for female worker. Arrows point to the direction where the pegs should go. Collection: Early 20th Century Engineering Lantern Slides Set: Aptitude Tests Date: undated Format: Image Agent: unknown
10. Exterior view of a cruising turbine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
11. Interior view of a high pressure turbine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
12. Man (machinist) operating a drilling machine. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
