Log with Two Rotating Vanes, Mechanical log consisting of a fence log in a box and two log fins, one of which must be attached with a log line on the reverse, the second log serves as a reserve. The log fins are cylindrical floats with three helical wings, which drive the stern log in the clockwise direction. The round stern log has three enamel dials, for 1 mile (subdivided into sixteenths), 10 miles and 100 miles., I. Thyssen (mentioned on object), Rotterdam, c. 1860, wood (plant material), brass (alloy), copper (metal), iron (metal), register: h 26.2 cm × w 37.2 cm × d 10.5 cm rotating vane 1: l 41.3 cm rotating vane 2: l 40.8 cm
Keywords:
Log, Two Rotating Vanes, Mechanical log consisting, fence log, box, two log fins, must, attached, log line, reverse, second log serves, reserve, log fins, cylindrical floats, three helical wings, drive, stern log, clockwise direction, round stern log, three enamel dials, 1 mile, subdivided, sixteenths, 10 miles, 100 miles, I, Thyssen, mentioned, object, Rotterdam, c, 1860, wood, plant material, brass, alloy, copper, metal, iron, register
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