Original WWII U.S. Army Air Force B16 Liquid Compass with Mounting Bracket Snider Rifle and it has an engraved

and it has an engraved iron cap box in the butt stock

we just have not seen anything like this before

75 Mc/s to 1

To emphasize the 42ID lineage from the 42ID of World War I

Gun receiver this is a BATF approved totally inert display receiver for mounting the external parts of a Lewis Gun parts set for display in museum or private collection

Original WWII U.S. Army Air Force B16 Liquid Compass with Mounting Bracket Snider Rifle and it has an engravedA great old WWII aircraft compass by Bendix. This piece is liquid filled and still works. It is contained in the original instrument panel bracket. Top data plate reads: ORDER NO AC 26968 MFR'S PART NO 1818 1 A SPEC NO 94 27807 BENDIX AVIATION CORPORATION PIONEER INSTRUMENT CORP BENDIX NEW JERSEY USA Front data plate reads: A. C. U. S ARMY TYPE B16 SER NO AC 41 56124