Vintage 1974 Russian Hand Siphon Oil Rare patent ~ Sealed

Vintage 1974 Russian Hand Siphon OilRare patentSealedIt will help you to pour accurately gasoline from a tank of the car, the motorcycle, a moped, the boat to other capacity.The petrolsiphon is autoaccessory, consists of the cylinder, the piston with a rubber tube and a tip.For gasoline pumping - to lower the end of a rubber tube with a tip to capacity with gasoline, to insert the end with the piston into the cylinder against the stop.Having made 2-3 smooth back and forth motions, to pull out a tube with the piston from the cylinder. The piston having an opening to send to a mouth of empty capacity.The necessary condition when pumping - a bottom of capacity has to be above the upper edge of the filled capacity.