| Description | 62b. Oscillating Engines - Austrian Lloyds Steam Navigation Co. (BP & BQ, BR & BS). Feb. 1843, Feb. 1855, May-Jul., Aug., Oct., Nov. 1856. 100 items.
Two sets of two 115 horse power oscillating engines, with 59 inch cylinders, 4 foot strokes.
Shafts; slide valves - coloured drawing marked "not made to this"; cylinder etc., section and plan of cylinder - partially coloured drawings and partially coloured tracings; air pumps and condensers, headstock and shafts etc. - partially coloured drawings.
Cross-section of boat showing engines and paddles, details of paddle wheels - coloured original and coloured reverse drawings; side view of paddle wheels, plan of paddle wheels - coloured drawings; framing for shafts etc. [?], section of the boiler - coloured original and coloured reverse drawings; working gear - coloured drawing.
Longitudinal section of the engines and boilers, plan and sections of the sleepers, plan of the steam pipes, plan of the platform - coloured original and coloured reverse drawings.
Telegraph - coloured original and coloured reverse drawings; working gear, eccentric rod and quadrant sweep - coloured original and partially coloured reverse drawing; air pump bucket rods and cap - coloured drawing; feed and bilge pumps - coloured original and coloured reverse drawing; engine and paddle shafts and cranks - coloured drawing. All these drawings were made in the London office and all bear letter codes.
Uncoded tracings and drawings made in the London office:
Engine sleepers - coloured tracing; plan of the cylinder - tracing; section of the cylinder - partially coloured tracing; headstocks; columns - drawing and tracing; shafts etc., air pump, air pumps and condenser etc. - partially coloured tracings; sections of the boiler - tracing; plan and elevation of paddle wheel - partially coloured tracing; paddle shaft, piston rod cap - small tracings; piston rod cap, cylinder trunion cylinder and slide - coloured drawings; cylinder frames - partially coloured tracing and partially coloured drawing; crank - tracing; boiler stays, working gear etc., detail of paddle wheels, section of the boiler - partially coloured tracings; eccentric circle and ring - partially coloured drawing; slide valve - 2 partially coloured tracings; quadrant sweep - 2 tracings (1 partially coloured); hot water cistern - coloured drawing; mode of disengaging crank pin - 2 coloured tracings; quadrant sweep [?], valve [?], steam pipes - coloured tracings; platform over air pumps, tubular bar arrangement in boiler, injection pillar, paddle float - coloured drawings; paddle shaft outer end plummer block - partially coloured tracing.
Miscellaneous drawings made at Soho, rough sketches etc.:
Crank and shaft; air pump cap - coloured drawing; eccentric ring - drawing and tracing; feed and bilge pump; working gear - coloured drawing; guide brasses for working gear; working gear sweep; position of holding down bolts; wrought iron uses, working gear shaft blocks - coloured drawings; telegraph; pricker for grates; four untitled sketches.
Also memorandum "Extract from Specification of Works included in Contract, Austrian Lloyds 115s" (2 copies); brine pump and valves - partially coloured drawing made for 80 horse engines, Feb. 1843; boiler stays - partially coloured tracing made in the 1880s [?] from 1856 drawing.
Original Portfolio or 'Book' No. 1054.
For the Austrian Lloyds Steam Navigation Co. These engines were usually referred to as the "New Austrian Lloyds."
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