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Amgueddfa Cymru
Collection of 17 technical drawings in case. (1) Common propeller, left handed varying pitch (2) Common propeller, true pitch right handed (3) Working drawing of screw propeller (4) Pair of cylinders for 140 N.H.P. engine (5) Condenser and columns for 140 N.H.P. engine (6) Bedplate for 140 N.H.P. engine (7) Expansion valve diagram (8) Expansion valve (Meyer's arrangement) (9) Double-ended marine boiler (10) Self-acting injector (11) Feathering paddle wheel (12) Weir's evaporator (13) Reducing valve (Auld's Patent) (14) Main boiler (15) Small high pressure cylinder (16) Donkey pump (17) Babcock & Wilcox water tube boiler (18) case (red colour)
