Instructables user [rog8811] was looking to build a fog horn that resembled hand-pumped units found on small ships in the early to mid 1900s. His budget was a bit limited, so he set off to build ...

Instructables user [rog8811] was looking to build a fog horn that resembled hand-pumped units found on small ships in the early to mid 1900s. His budget was a bit limited, so he set off to build ...

This air-powered PVC foghorn? Not so much. Created by Instructables user rog8811 The 1950s-inspired foghorn consists of little more than some PVC piping, a rubber glove and a bike pump.