by John Marshall, Royal Naval Biography — Truscott… (1823)
“ Captain Edward Galwey, he invented the “Force Pump,” by which fresh water is now obtained from the hold without disturbing its stowage. Previous to the introduction of this machine, the main-deck of a man-of-war, in consequence of the practice then resorted to of getting at her daily supply, bore a greater resemblance (pending the operation) to a wholesale cooperage than a battery, from the number of empty casks with which it was unavoidably lumbered. This frequently created the greatest confusion, by impeding the performance of important evolutions ”
