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50 inch 'Bull' engine

50 inch "Bull" engine built by Harvey & Co., Hayle, Cornwall, in 1876-7 for the iron shaft at Severn Tunnel Pumping Station, Sudbrook, Monmouthshire

50 inch 'Bull' engine

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Staircase Handrail for 50 inch "Bull" Engine

Handrails for 50 inch "Bull" Engine

Rod for 50 inch "Bull" Engine

1876-1877

Rail for Pump Pit

Components for 50 inch "Bull" Engine

1876-1877

Components for 50 inch "Bull" Engine

1876-1877

Stay for parts 7 & 8 with nut & washer

Stay for parts 7 & 8 with nut & washer

Head of weigh frame, with gland for plug rod

Head of weigh frame, with gland for plug rod

4 cast valve bonnets.

4 cast valve bonnets

Brass kerb to surround plug rod on working floor (2 pieces); cylinder lubricator; 1/2" screw down valve and trap; 6 pairs of brasses for arbors on plug frame (stamped inverted V for A,B,C,D,E,F); 3 ebonite plug cocks and a wooden back board for a gauge.

Brass Kerb to surround plug rod on working floor

Cast cleading plate for cylinder bottom

Cast cleading plate for cylinder bottom

4 bolts of 9 nuts for fixing piston rod gland

4 bolts of 9 nuts for fixing piston rod gland

Spindle bracket & lever for blowing through valve

Spindle bracket & lever for blowing through valve

Cataract loop and 2 guides for cataract rod

Cataract loop and 2 guides for cataract rod

Stop for pump rod, comprising two halves to clamp around rod, and two pad plates, one with wooden pad and 5 bolts for the other

Stop for pump rod

3 catches from plug frame

3 catches from plug frame

3 rods from weighshaft to valve spindles

3 rods from weighshaft to valve spindles

4 cylinder holding down bolts with nuts & washers

4 cylinder holding down bolts with nuts & washers

Fragments of wooden cylinder cleading

Fragments of wooden cylinder cleading

7 cast brackets (1 broken in eye) and 6 stanchions (1 with broken shank. All have top pins cut off) for gallery around cylinder. Note : Piece of curved handrail removed from this lot and put with other pieces found later, item 67

7 cast brackets and 6 stanchions

10 handrail stantions from stairs item 60 (some have tops broken off, one has broken foot); 13 similar stantions for horizontal rail on front of working floor (one broken) and one heavier corner stantion

Handrail stantions from stairs

3 swinging guides for rods (item 47) with 6 bearing pieces (1 broken & corner lost) and 5 rubber bumpers

3 swinging guides for rods

Main steam valve

Main steam valve

Weigh post, left, with frame bolts & nuts and studs & nuts for arbor bearing

Weigh post

Beam forming cill of weigh frame

Beam forming cill of weigh frame

Column

Piston, complete with piston rod

Piston, complete with piston rod

Guide frame for piston rod cap, right

Guide frame for piston rod cap, right

Beam with gudgeon stool, links (complete) and loop for plug rod and air pump rod. The pin for the piston rod cap is not fitted

Beam with gudgeon stool

Transom

Common joists for working floor with wooden bearing pieces.

Common joists for working floor with wooden bearing pieces

Bridging joist for working floor.

Bridging Joist for Working Floor

Beam to support guide frames item 7 & 8

Beam to support guide frames item 7 & 8

Guide frame for piston rod cap, left (as seen from front).

Guide Frame for Piston Rod Cap

Bottom beam, rear (nearest towards pit).

Bottom beam, rear (nearest towards pit)

Bottom beam, front of engine furthest away from pit.

Bottom Beam

Cylinder beam rear

Cylinder beam rear

Cylinder with nozzles and bottom cover (lacking gland)

Cylinder with nozzles and bottom cover

Eduction pipe - 2 pieces joined with spigot of faucet expansion joint

Eduction Pipe

Plug rod with tappets

Plug rod with tappets

Condenser cistern with condenser and air pump complete with bucket, rod and cover

Condenser cistern with condenser and air pump complete with bucket

2 slippers for piston rod cap guides.

2 slippers for piston rod cap guides

Feed pump with plunger & rod, complete with loop, brasses, gib & cotter; foot bracket (fits to 18). Suction clack with relief bypass, delivery clack, shut off cock and tee; lever and weight removed.

Feed Pump

Cylinder cleading boards (not a complete set and cleading bands not found)

Cylinder cleading boards

Pressure gauges

Pressure gauges

Three arbors from plug frame with all levers, sectors etc (marked St. Ex. & Eq for Steam, Exhaust, Equilibrium; fit in this order from top to bottom) and 'weigh shaft' with 3 levers and 2 hanging pillars with nuts & washers.

Three arbors from plug frame with all levers

Piston rod & gland.

Piston Rod & Gland

Corner from base of column 3; a roller; a ball weight; nuts; bolts; washers and sundries. Some of these may belong to 1954-178 or to other objects altogether

Corner from Base of Column

Cock on pipe, probably cut from side of condenser system.

Cock on Pipe

11 [checker?] rolled tread-plates for working floor, and a disc of plate to go under steam valve bonnet

11 checker? rolled tread-plates for working floor

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