Royal Navy Admiralty Pattern Log Clocks

Named on the dials Samuel Lee Bapty Ltd. Watford and Admiralty pattern 809. One clock has a conventional dial and hands, while the other has no numerals and a single hand that rotates once every 60 minutes. Both dials have some service wear. They have provision for bulkhead mounting and appear never to have had a bezel or glass fitted. Both have mechanical movements in working order, while the reserve are electrical connections marked 10 mins, 1 min, 2 sec, 0.5 sec and com. There is also an instruction for use with pitometer or chernikeeff log. The latter was invented by Mr. V. Chernikeeff, a Russian national in 1917 and over 3, 000 were subsequently fitted to Royal Navy vessels. Diameter 5" (13 cm). For sale as collector's items and would appeal both to ship's log and marine instrument enthusiasts. Price quoted is for the pair.