1. 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
2. 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
3. Detail, Cologne Cathedral Tower Untitled (Detail, tower, Cologne Cathedral) Collection: Andrew Dickson White Architectural Photographs Collection Location: Cologne, Köln, North Rhine-Westphalia, Germany Date: 1300-1880 (building) ca. 1877-1881 (photograph) Format: Image Creator: Johann, Meister (of Cologne) (German architect, active late 13th, early 14th century)
