1. Hele-Shaw variable stroke pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
2. Hand operated filling pump Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
3. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
4. Electro-hydraulic steering gear engine Collection: Early 20th Century Engineering Lantern Slides Set: Eastman Date: undated Format: Image Agent: unknown
5. Steering gear ram and telemotor on ship Collection: Early 20th Century Engineering Lantern Slides Set: Cramer's Date: undated Format: Image Agent: unknown
6. Factory building steam boiler engines for ships, multiple engines and steering wheels are shown. Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
7. Steering gear wheel (ram) and telemotor installed on ship Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
8. Hele-shaw variable stroke pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
9. Electro-hydraulic motor in reduction gear casing Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
10. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
11. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
12. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
