Lead screw correcting lathe and accessories by Armstrong Whitworth and Co

Base with 3 jack-screws

Bed with heads and lead screw correcting apparatus complete

Pedestal with driving shaft

Pedestal with electric motor and reduction gearbox

Pedestal, supposed to be for outboard support of workpiece

Tank for cutting oil

Electrical control cabinet

Micrometer hand wheel and vernier index

2 spindles for change gears

16 change gears (another 4 in the lathe)

Spindle and brackets

5 chucks

Split bearing housing to carry tail of workpieces

Bushes, some composite and some incomplete

Conical centre fitted to a bar

Half-bushes, some unfinished and one turned but not split

Small half-bushes (many paired) presumably associated with /13

2 plain cast-iron bearing plates

Raising plate for pedestal /3

4 holding-down bolts and washers, probably for /3

Made-up bracket

Flange probably from original driving gear (shaft on /3) and four fitted studs stamped up to match

Half-bearing probably associated with pedestal /5

Hanging weight from corrector arm

Drip can

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