Appears to be a duplicate itemnon-fictionInstructions on servicing & maintenance of Holley aircraft carburetors, circa 1941accelerating pump, cam, carburetor, clearance chart & diagra, compensator jet/needle/seat/spring/unit, diaphragm unit & vents, end blocks, fixtures & tools, fuel valves, inlets, limits, mixture control, nozzle bar, overhaul sheets, primers, power mixture valve, stabilizer valve, test stand, throttles, vapor separator, vent ring, venturi