1. Yarrow boiler with superheater, section of Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
2. Gauge showing steam vs water in boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
3. Cross section of drum internals on torpedo ship Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4. Schematic drawing showing flow with arrows of a specific part with proposed rearrangement. Collection: Early 20th Century Engineering Lantern Slides Set: Plant Layout Date: undated Format: Image Agent: unknown
5. Steam boiler showing water level, generator, 4 ply metal bellows, and feed water regulator valve Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
6. Topography of skull showing which parts of the brain controlled abstract traits. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
7. Operation chart for an improved method of assembling bolts and washers with detailed instructions for left and right hands. Collection: Early 20th Century Engineering Lantern Slides Date: undated Format: Image Agent: unknown
8. Water wall - sheet box side of a boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
9. Diagram of assembly of inertia type speed regulating controller Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
10. Fuel oil heater steam boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
11. Diagram of hydraulic windlass with hydraulic pump equipped with stroke regulator. Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
12. Diagram of screening and interviewing booths for job placement Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: undated Format: Image Agent: unknown
