Superb condition 1944 Dated USN WWII BALL RECORDING SEXTANT with it's beautiful dove tailed wood case, inspection tags, instruction manual and original pasteboard box (shown in last photo). Sextant and Case with matching serial numbers, 5665. Manufactured by MERGENTHALER LINOTYPE COMPANY, BROOKLYN, NEW YORK. Collimation certificate inside lid dated DEC. 22 1944 and signed by the Certifying Officer, as well as another inspection tag dated and signed 12/21/44. Manual DESCRIPTION AND INSTRUCTIONS FOR USE OF THE BALL RECORDING SEXTANT MARK 1 MOD. 0 dated MARCH 1944. Sextant has sighting tubes for both DAY and NIGHT plus a small sealed packet (not sure what's in it). It's a beautiful and immaculate instrument. Buyer adds $25.00 postage within the continental US.