Piston Pump Part, Rocket Engine, R.H. Goddard

Pipe, with much smaller diameter very short rod projecting from middle of end of pipe and threads at other end of this projection; collar of slightly wider diameter of pipe, in center thread on very titghtlky, but top and lower threads visible; two series of two each rectangular, handle-like projections, brazed on, one set attached near center, just above collar in middle, and other set projecting near front, or other end of pipe; hole, 0.5 inches in diameter, at one end of pipe, just below jutting end with threads.