OGANOG0105028
Mechanical Harpoon Towing Log Brass Porcelain ENgland 19th Century
T. WALKER'S Patent HARPOON SHIP LOG A.2.
Mechanical harpoon towing log/"Harpoon towing log" model A2, made of brass and porcelain, without stabiliser, fitted with three dials on the porcelain panel, of which the first records miles up to 100, the second records units up to 10 miles, the third records quarter miles. The four rotor blades are stamped with the anchor motif and the initials T.W. The design details and features suggest a production date around 1880.