Show self starting siphon very handy accessory bent tube and bulb a hadjy siphon instead of sucking rubber hose to start gasoline siphoning out of a tank construct the neat siphon shown in the illustration bend a piece of brass or copper tubing into a U to one end attach a rubber bulb like photographers nse to the other at tach a piece of hose then drill a hole in the tube at the bend insert the rubber tube in the tante and squeeze the bulb bess your finger tightly over the hole and release the bulb remove your finger and gasoline will flow from the hole in the pipe the hole must be below the level of the gasoline in the tank popular science monthly |