Image
Category
Maker
Object type
Place
Material
Date

Screw pitch drunkenness testing instrument.

Microscope for lead screw correcting lathe with goniomic objective and a brass protractor and vernier

Pitch tie up attachment to hold gauge to check screw pitch dimensions before and after screw reversal

Screw pitch drunkenness demonstration specimen

Tank for cutting oil, with cirulating pump and hoses

Tank for cutting oil

Light-alloy cover for change gears

Light-alloy cover for change gears

16 change gears (another 4 in the lathe)

16 change gears (another 4 in the lathe)

2 spindles for change gears, one with 2 ring nuts (another spindle in the lathe)

2 spindles for change gears

An apparently unfinished bearing housing

An apparently unfinished bearing housing

Made-up 3 point support probably for microscope; fits on tool saddle but does not align correctly

Made-up 3 point support probably for microscope

Raising plate for pedestal /3

Raising plate for pedestal /3

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

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

2 plain cast-iron bearing plates for fret of /1 (original) and a madeup roller bearing plate for the 3rd foot of /1 (lacks cover plates), and 3 raising plates

2 plain cast-iron bearing plates

Made-up bracket to fit head end of bed (4 screws are original manufacture)

Made-up bracket

Split bearing housing to carry tail of workpieces

Split bearing housing to carry tail of workpieces

Bushes, some composite and some incomplete, all presumed to be associated with /13

Bushes, some composite and some incomplete

Micrometer hand wheel and vernier index

Micrometer hand wheel and vernier index

Half-bearing probably associated with pedestal /5

Half-bearing probably associated with pedestal /5

Winch for tool slide

Winch for tool slide

Spindle and 2 brackets made up to carry an idle reversing pinion for left-hand threads

Spindle and brackets

Flange probably from original driving gear (shaft on /3) and four fitted studs stamped up to match, each with 2 nuts

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

Eight spanners and keys.

Eight spanners and keys.

Base with 3 jack-screws fitted with wires and junction box for limit switches

Base with 3 jack-screws

Pedestal with driving shaft bearing clement's driver and coupling

Pedestal with driving shaft

Pedestal, supposed to be for outboard support of workpiece

Pedestal, supposed to be for outboard support of workpiece

Bed with heads and lead screw correcting apparatus complete, sliding carriage; one set of (4) change wheels in place

Bed with heads and lead screw correcting apparatus complete

Electrical control cabinet

Electrical control cabinet

Pedestal with electric motor and reduction gearbox with coupling

Pedestal with electric motor and reduction gearbox

2 single-start screws and a 2-start screw, all probably workpieces; and a short screw and nut, probably a demonstration piece

2 single-start screws and a 2-start screw

Electrical-switch box on a frame and a junction box with some leads

Electrical-switch box

2 mercury-filled limit switches

2 mercury-filled limit switches

Small half-bushes (many paired) presumably associated with /13, /14 & /16

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

5 chucks (another in the lathe). One has a bushing to carry a slender screw. Also 8 chuck screws

5 chucks

Conical centre fitted to a bar

Conical centre fitted to a bar

Half-bushes, some unfinished and one turned but not split, to fit steady saddles on lathe

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

2 pins for Clement's driver

2 pins for Clement's driver

Hanging weight from corrector arm

Hanging weight from corrector arm

Drip can (this is seen in early photos of the machine; the cast iron flange to support it is missing)

Drip can

Various bolts etc and other small items, all of unknown purpose; almost certainly none in original

Various bolts etc and other small items