, yachtsmans log with accessories and instruction book in fitted wooden box - 12in.(31cm) long; and another Walker's "Excelsior" IV ship log in fitted wooden box - 15in(38cm)long (3)" /> A brass pump-handled portable ship's fog-horn; a <I>Thos. Walker's "Knotmaster"</I>, yachtsmans log with accessories and instruction book in fitted wooden box - 12in.(31cm) long; and another Walker's "Excelsior" IV ship log in fitted wooden box - 15in(38cm)long (3) | Christie's