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Bar with Four Rivet Holes

Metal bars for joining cabinets together in the Elliot / NRDC 401 Computer MkI

1952-1953

Magnetic and non-magnetic manganese steel bar

1882-1884

Bar of forged steel. Mid 19th century

1830-1860

Calibration bar for Haigh Fatigue Testing machine

End of centreless ground bar of titanium 314C

1958

Hopkinson's original bar and yoke, 1885

1885

Hammer hardened manganese steel bar, 1882-1884

1882-1884

Heavy Iron Horse Bar

Beater bars and drum ends for threshing machine

Beater Bars and Drum Ends for Threshing Machine

Tested tensile silicon steel bar, 2.69% Si, 1884-1886

Tested tensile silicon steel bar

1884-1886
Yellow main bar for coach, red pole head and three bars from Royal Mail coach, London-Brighton, 1826, three red, black lined, coach harness bars, one red coach harness bar broken, marked "Old times" 1888, coach harness bar, marked 1888, coach harness bar, marked 1888-1911

Yellow main bar for coach

Metal bar, half copper, half steel, for demonstrating the different thermal conductivities of the two materials

Metal bar

1900-1980
Tested tensile bar of silicon steel as used in the "Mauretania", 1884-1886

Tested tensile bar of silicon steel as used in the "Mauretania"

1884-1886
One large bar for Colby's Compensation bar, as used on the Lough Foyle Base, 1827-1828. These are 10 feet in length but will change with temperature change.

A bar for Colby's compensation bars

1827
An iron bar about 19 " x 1 3/4" x 1/4" with swellings for 2 holes about 2 1/8" diameter at 10" centres drifted, 6 machine keys and a broken light-alloy casting. Found with 1930-369 but almost certainly do not belong

An iron bar about 19 " x 1 3/4" x 1/4" with swellings for 2 holes about 2 1/8" diameter at 10" centres drifted

Pair of compensation bars and accessories - two trestles, microscope, two tripods, two microscope supports, plus screws and foot plates, unknown maker, British, 1920-1950

Pair of compensation bars and accessories - two trestles

1920-1950
Surveyors' compensation bar, unknown maker, British, 1920-1950

Surveyors' compensation bar

1920-1950
Surveyors' compensation bar, unknown maker, British, 1920-1950

Surveyors' compensation bar

1920-1950
Spheroidal graphite cast iron. Two bars, before and after ductility test

Spheroidal graphite cast iron. Two bars

Tested tensile silicon steel bar, 4.49% Si, 1884-1886

Tested tensile silicon steel bar

1884-1886
Boring bar and cutter

Boring bar and cutter

Tested tensile silicon steel bar, 1.60% Si, 1884-1886

Tested tensile silicon steel bar

1884-1886
Tested tensile silicon steel bar, 0.24% Si, 1884-1886

Tested tensile silicon steel bar

1884-1886
Tested tensile manganese steel bar, 80% elongation, 1882-1884

Tested tensile manganese steel bar

1882-1884
Spare bar wound Crompton Gramme ring no.1352 together with brush gear -1886

Spare bar wound Crompton Gramme ring

1886
Iron bar from flint mines

Iron bar from flint mines

An iron bar with 4 elbows, with a tenon 1 1/8" x 7/16" and 2 bronze knuckle joints, the jointed piece to have holes 3/8" diameter x 1/2" at 12" centres; perhaps part of a sheet-metal bender

An iron bar with 4 elbows

Metal bar for use with animation rostrum set up (exact purpose unknown).

Metal Bar for use with Animation Rostrum set up (exact purpose unknown).

Tested tensile bar of silicon-manganese spring steel, 1884-1886

Tested tensile bar of silicon-manganese spring steel

1884-1886
Compound bar consisting of lengths of brass and steel plate riveted together, for showing the differential expension of metals. (Slightly distorted by use)

Compound bar consisting of lengths of brass and steel plate riveted together

1900-1980
Bar, King's Commendation for Brave Conduct, presented to William Graham Day, Stableman, London Midland & Scottish Railway, Haydon Square, 10 September 1940, silver oak leaf for attachment to medal ribbon, boxed.

king's commendation for brave conduct

1940
One large bar for Colby's Compensation bar, as used on the Lough Foyle Base, 1827-1828. These are 10 feet in length but will change with temperature change.

A bar for Colby's compensation bars

1827