Model of a 20-inch mortar on a turntable, Model of a 20-cm Mortar on a Pivot Undercarriage, Model of a cross-section of a ship with 20-inch mortar on swivel bed. The mortar, 5.1 cm long and with a 15 mm caliber, has a round bump and a transverse dolphin on top. The chair consists of two parallel cheeks and two calves, through which brass axes run, the axles do not have wheels, but the seat slides into a sliding carriage that is placed on a turning circle. This sled has a slight slope and rolls at the bottom for its movement on the intersected turning circles on the deck, and a brass spindle bolt. The ship section has a deck, supported with brass knees and brass deck supports under the mortar rack., Rijkswerf Rotterdam, Rotterdam, 1834, wood (plant material), brass (alloy), h 26 cm × w 44.7 cm × d 29.6 cm
Keywords:
Model, 20-inch mortar, turntable, 20-cm Mortar, Pivot Undercarriage, cross-section, ship, swivel bed, mortar, 5 1
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