Description
An early 20th century English Fortin-type Marine barometer by A. Gallenkamp & Co. Ltd., London. Brass, cylindrical vernier scale above an adjustment knob, Centigrade/Fahrenheit thermometer at the center. Inscribed "A. Gallenkamp & Co. Ltd., London, No. 7022." The glass enclosing the vernier scale has a 1 1/2 x 3/4" loss....