Aluminium stranded conductor from outside sub-station, 127/0.150 in. Aluminium stranded conductor from outside sub-station
Stainless steel rotor, one of three, as used for pumping corrosive chemical or edible products. Stainless steel rotor
Tangyes Tensile Testing machine with 10 weights, c. 1880 Tangyes Tensile Testing machine with 10 weights