Harpoon log
harpoon log; mechanical sounder
INSTRUMENTS - TAFFRAIL LOGSThomas Walker & Son, Ltd.
overal: 9 1/2 in.
Mechanical sounder (with wooden box 1982.127.B); English, mid-19th century; cast bronze egg-shaped frame; marked "(anchor)/ T. WALKER'S/ PATENT/ 879" on frame; "(anchor)/ T. W/ 879" on one blade; dials register 1 to 10 fathoms and 10 to 150 fathoms when five-blade rotor is turned; automatic lever stop; braided cord at one end. [Harpoon log]
1982.127.A