a boxwood alidade, dated 1917, by Houghton-Butcher, stamped 'Engine Divided, No. 6342, with broad arrow, 12" rule divided to 1/50th inch, the other edge 0-1000 yards at a scale of 2" to the mile, hinged oxidised and laquered brass sighting vanes, overall length 40.5cm, in good hide case stamped J A J & co 1917,
Sold for £31
Result plus buyers premium
a boxwood alidade, dated 1917, by Houghton-Butcher, stamped 'Engine Divided, No. 6342, with broad arrow, 12" rule divided to 1/50th inch, the other edge 0-1000 yards at a scale of 2" to the mile, hinged oxidised and laquered brass sighting vanes, overall length 40.5cm, in good hide case stamped J A J & co 1917,
Auction: The Collectors Sale, 23rd Feb, 2022