1. Hele-shaw variable stroke pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
2. Electro-hydraulic motor in reduction gear casing Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
3. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4. Drill-making machine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
5. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
6. Anchor windlass used on ships to raise and lower the anchor. Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
7. Electro-hydraulic pump engine Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
8. Arrangement of studs in tubes Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
9. Typical losses in an oil-fired marine boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
10. Man operating a jig borer at Consolidated Aircraft, San Diego, CA Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Location: San Diego, CA Date: undated Format: Image Agent: unknown
