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
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
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
Three Cambered Steel Bars 4 1/2" x 3 1/2" splayed "H" section, each 9 ft long Three Cambered Steel Bars 4 1/2" x 3 1/2" splayed "H" section
Metal bar, half copper, half steel, for demonstrating the different thermal conductivities of the two materials Metal bar 1900-1980
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
Tested tensile bar of silicon-manganese spring steel, 1884-1886 Tested tensile bar of silicon-manganese spring steel 1884-1886
Spare bar wound Crompton Gramme ring no.1352 together with brush gear -1886 Spare bar wound Crompton Gramme ring 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
Spheroidal graphite cast iron. Two bars, before and after ductility test Spheroidal graphite cast iron. Two bars
Tested tensile manganese steel bar, 80% elongation, 1882-1884 Tested tensile manganese steel bar 1882-1884