Human powered crane at Colombo Port Manual crane being use to dispatch Tea at Colombo Port 1885 #IMG642 An old small size manual (Human Powered) crane with a pivoted boom at Colombo Docks dispatching Tea in 1885. « Back | ^ | Next » The incline of the boom is controlled by means of chains, sprockets and gears. Share Post Pinterest reddit Messenger Whatsapp tumblr
