1. Torpedo tubes from the destroyers Pensacola class, Mahan class, Sampson class, Benham class, and North Carolina class Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
2. Cross section of drum internals on torpedo ship Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
3. Diagram of drum internal showing water level, baffle, and steam Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
