A Simple hand operated syringe type, dual purpose air pump which can be used either to exhaust or compress. The metal cylinder is of size 185 x 32 mm.  length x diameter. Two oiled valves are provided, outlet valve mounted axially and the end of cylinder and inlet valve radially at the side. With an adapter for the connection of  rubber pressure tubing which can be screwed on to either the inlet or the outlet valve depending on whether the pump is used to exhaust or compress. With  wooden handle at the rear end and two riffled nozzle of  9 mm. diameter. Overall length of the pump when fully closed is 325 mm. and width including the side mounted valve assembly is 110 mm.

A Simple hand operated syringe type, dual purpose air pump which can be used either to exhaust or compress. The metal cylinder is of size 185 x 32 mm.  length x diameter. Two oiled valves are provided, outlet valve mounted axially and the end of cylinder and inlet valve radially at the side. With an adapter for the connection of  rubber pressure tubing which can be screwed on to either the inlet or the outlet valve depending on whether the pump is used to exhaust or compress. With  wooden handle at the rear end and two riffled nozzle of  9 mm. diameter. Overall length of the pump when fully closed is 325 mm. and width including the side mounted valve assembly is 110 mm.