Rare cobalt blue antique jewellers watchmakers alcohol lamp. Made in Japan with cap and wick. Antique cobalt blue alcohol lamp would have been used by jewelers and watchmakers for various tasks that require applying heat like melting wax and soldering. The glass reservoir is round so it can rotate in its holder to allow angling of the flame and a safety cap for snuffing the flame out is attached to a chain.
It is in excellent condition no brakes in the glass appears to never been used. The lamp stands 13 cm tall when upright diameter of base is 6.5 cm still has the original wick in it.