Steam pressure gauge made by David Auld & Sons Ltd. Needle works with compressed air up to 25 psi. Housing is in brass. Width is 4 inches across face and 5 inches across rear mounting plate. Depth is 1 3/4 inch.
Combined fuel- and amperage-gauge made by AC, marked petrol and amperes. Believed to be out of a 1930's Bedford truck or Vauxhall car. Diameter of gauge 7cms, height 10cms.