Model of a Gun Position on the Afterdeck, Model of the aft deck of a paddle steamer with a 60-pound bomb gun on a rotating carriage. The barrel is 15 cm long and has a caliber of 4 mm, a grape screw goes through the grape. The lower carriage consists of a wooden frame of two heavy shelves with two light ones in between, on three cross members each with two balls at the bottom at the ends, which run over the turning circles, the carriage rises on the front and back to stop the upper chaff. The upper chaff consists of two cheeks with four steps, the upper part with solid brass tappan, the cross bandage consists of a sloping calf, two axial bodies and a cross beam on which the soleplate rests. The axle bodies have no wheels. Two small wheels are fitted to the cheeks, which run over the rails of the outer shelves, but only when the wheels are centered against the rear axle body and run over the rails of the middle pair of shelves. Brackets around the rear axle body secure the upper chaff on the carriage. The model specifically shows two designs for the removable back piece of the railing, consisting of pieces of pot lid, supports and gate segments, the port side is vertical and uses drop gates between the supports, while the starboard section follows the line of the ship's skin and where the gate segments have to be completely removed. 1:20 scale (according to Obreen), Phoenix (ship), Rijkswerf Rotterdam, 1837, wood (plant material), brass (alloy), h 8.3 cm × w 41 cm × d 38 cm × c 4 mm h 17.5 cm w 54.3 cm × d 57.3 cm

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