HAND-HOLE
Source: 567
Hand″–hole′ (–hōl′), n. (Steam Boilers) A small hole in a boiler for the insertion of the hand in cleaning, etc. Hand-hole plate, the cover of a hand-hole.
Source: 567
Hand″–hole′ (–hōl′), n. (Steam Boilers) A small hole in a boiler for the insertion of the hand in cleaning, etc. Hand-hole plate, the cover of a hand-hole.