HOLTON NEW ELECTRIC OIL Bottle
"ELECTRIC OIL NO 2 FOR INSTRUMENT VALVES, BEST BY COMPARISON, MADE BY FRANK HOLTON & CO. ELKHORN WISCONSIN, PRICE WITH PLAIN CAP 30 CENTS, PRICE WITH DROPPER 35 CENTS". The dropper is no longer plyable but is intact. The upper right corner of the label is slightly torn. Advertising collectible.