US 1900’S ERA PRIVATE PURCHASE TINNED 8″ DISK CANTEEN WITH “CO L / M.S.G. / 59” STENCILED KHAKI COVER, C/W STOPPER, USED GOOD+

WWI ERA IMPERIAL GERMAN DOCTORS BLOOD PRESSURE DEVICE IN SMALL 7″ X 4″ X 1″ BLACK OIL CLOTH COVERED WOOD BOX IN POOR CONDITION, LABELED “BLUT KORPERZAITLAPP ARAT”, CONTAINS 2 SMALL RUBBER HOSE DEVICES WITH GLASS BULBS, INTERIOR MEASURING BALL IN THE GLASS, BULB ALSO HAS CLEAR PLASTIC?? DEVICE IN CENTER WITH CLAMPS, MFGER’ED BY”BURKER SM CO”