4411. Water-tube boiler Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4412. Automatic turret machine Hendey-Norton Lathes Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4413. Score report for Dorothy Robinson on speed (operating), inspection, and dual (both). Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: 13906 Format: Image Agent: unknown
4414. Score report for Caroline Jones on speed (operating), inspection, and dual (both). Collection: Early 20th Century Engineering Lantern Slides Set: Merit Rating Date: 13903 Format: Image Agent: unknown
4415. Vertical, multi-spindle automatic lathe Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Date: undated Format: Image Agent: unknown
4416. First EC-2 cargo vessel boiler by Babcock and Wilcox Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4417. Side view of vessel boiler by Babcock and Wilcox for USS Iowa Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4418. Front and side view of EC-2 vessel boiler by Babcock and Wilcox Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4419. Front and side view of EC-2 vessel boiler by Babcock and Wilcox Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown
4420. View of tubes inside EC-2 vessel boiler by Babcock and Wilcox Collection: Early 20th Century Engineering Lantern Slides Set: Machinery Date: undated Format: Image Agent: unknown