A double box fog horn
L. D. Lothrop Mfr; Gloucester, Mass.
a painted red wood box, stenciled on either side "Lothrop's/Patent/Fog Horn/1", with a pump action handle and a brass maker's plaque with serial no. 31202.
21 x 10-1/2 x 17 in. (53.3 x 26.7 x 43.1 cm.)