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Example of a Dardelet threadlock bolt and nut

Example of a Dardelet threadlock bolt and nut

Bolt and nut from Worthing pier

Bolt and nut from Worthing pier

Board with Clamping Bolt and Lever Nut

Board with Clamping Bolt and Lever Nut

Feet and Screws for Storage Oscilloscope

Feet and Screws for Storage Oscilloscope

1970-1980

4 hand-forged nuts

4 hand-forged nuts

Bayliss's patent 1887. "Eureka" lockfast nut and bolt example 3/4" diam

Bayliss's patent 1887. "Eureka" lockfast nut and bolt example 3/4" diam

by two long screws and nuts, thumb-screw in centre of top piece

by two long screws and nuts

1790-1819

One wing nut

1790-1819

Nut for brass steam whistle. Part of brass steam whistle, W Stroudley's design, from London, Brighton & South Coast Railway (LBSCR) locomotive No 194 'Bickersteth', 1888 (Gladstone Class).

Brass Nut From Locomotive Steam Whistle

1888-1898

Brass nut

One nut

1790-1819

Brass coloured metal nut in hexagonical shape. Hole in centre with screwthread. .

Nut from Parsons' Axial Flow Steam Turbine

1901

Nut, steel, to secure cantilevers to girders on Forth Bridge, spare, c1890.

Nut, steel

1890

6 Holding down nuts and a bolster. NB the nuts with collars may not belong but are of early date

Holding down nuts and bolster

Bolts, nuts, washers, plates, cotters, brasses etc, nearly all numbered according to scheme on Technical File

Bolts, nuts, washers

Dark metal nut from Parsons' Axial Flow Steam Turbine with dynamo constructed for 60 K.W. Generator, 1901. Hexagonical shape with hole in centre with screw thread,

Nut from Parsons' Axial Flow Steam Turbine

1901

Dark metal nut from Parsons' Axial Flow Steam Turbine with dynamo constructed for 60 K.W. Generator, 1901. Hexagonical shape with hole in centre with screw thread,

Nut from Parsons' Axial Flow Steam Turbine

1901

Nut, steel, to secure cantilevers to girders on Forth Bridge, c1890.

Nut, steel

1890

Nut, steel, large, from Britannia Bridge, Menai Strait, Chester and Holyhead Ry, 1850

Nut, steel, large

1850

Star nut and adjustable swash plate and set of six screw-thread guides

Star nut and adjustable swash plate and set of six screw-thread guides