alb4544617

Model of a Double-Threaded Archimedean Screw Propeller. The corridors go twice and are divided into segments painted blue and white, from which a normal two-blade screw can be constructed. The screw can be turned by hand on the screw shaft. The pitch is approx. 11 cm, the diameter 8 cm. 1:20 scale (derived)., P.N. Rijk (attributed to), Netherlands, 1844, wood (plant material), brass (alloy), h 14.5 cm × w 30.8 cm × d 11.5 cm.

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Caption:

Model of a Double-Threaded Archimedean Screw Propeller. The corridors go twice and are divided into segments painted blue and white, from which a normal two-blade screw can be constructed. The screw can be turned by hand on the screw shaft. The pitch is approx. 11 cm, the diameter 8 cm. 1:20 scale (derived)., P.N. Rijk (attributed to), Netherlands, 1844, wood (plant material), brass (alloy), h 14.5 cm × w 30.8 cm × d 11.5 cm

Credit:

Album / quintlox

Releases:

Model: No - Property: No
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Image size:

7333 x 5181 px | 108.7 MB

Print size:

62.1 x 43.9 cm | 24.4 x 17.3 in (300 dpi)

Keywords:

1 • 11 CM • 1844 • 20 SCALE • ALLOY • APPROX • ATTRIBUTED • BRASS • CONSTRUCTED • CORRIDORS GO TWICE • DERIVED • DIAMETER 8 CM • DIVIDED • DOUBLE-THREADED ARCHIMEDEAN SCREW PROPELLER • HAND • MODEL • NETHERLANDS • NORMAL TWO-BLADE SCREW • P. N • PITCH • PLANT MATERIAL • RIJK • SCREW SHAFT • SCREW • SEGMENTS PAINTED BLUE • TURNED • WHITE • WOOD