James Watt's Garret Workshop
1790-1819
1 Piece of ⅛ ” rod steel in handle
1 Piece of brass rod, with circular ⅝” end
2 Pieces of steel rod, one 6½” x ⅛” one 8¼” x ⅛”
2 Curved pieces of round brass rod
1 Piece of steel, tapering both ends
1 Piece of 3/16” steel rod, reduced to 1/16” at one end for ¼”
1 Piece of iron rod screwed both ends, in letter to “James Watt Esq.” from Wm Bingley, Aug 1st 1795
1 Piece of iron, turned end
1 Piece of iron, square in centre, rounded ends
1 Piece of iron rod, screw one end
3 Bent pieces of iron rod
1 Small piece of ⅛” square rod steel
Collection Unassigned
Grey rod with plastic end and metal bolt
Motive Power
1808
Metal rod from the model representing Murray's portable beam engine, by James Fox, Derby, England, 1808
1 ½” Square tapering piece of steel, round both ends, 7¼” long
Plug rod with clevis (top end) and cotter (bottom end) and 5 tappets; link from which plug rod hangs with clevis; house pump bucket (one clack elsewhere) and rod; link from which pump rod hangs with clevis; feed pump rod with 2 cotters to fork (incorrect); delivery piece of feed pump with narrow rising pipe; hanging arm for valve levers with nut, plate & washer and 3 clevis pins; 2 valve levers
Two wooden connecting rods with oval holes geared internally, illustrating one of Watt's methods of converting reciprocating into circular motion
Sweep rod
Cinematography
Drive rod for Kalee No. 7 kineprojector.
Guide rod for Robey horizontal condensing drop valve steam engine.
