Nautical RANGE FINDER COTTON TYPE MKII made by E.R. WATTS AND SON
€ 175.-
Nautical RANGE FINDER COTTON TYPE MKII made by E.R. WATTS AND SON
Dimensions
11" (28cm) in width, 3.5"(8.5cm) in depth and just over 2" (5.5cm) high
Circa
1930
Maker
E.R. WATTS AND SON
Country of manufacture
UK and Ireland
Description
BOXED RANGE FINDER COTTON TYPE MKII made by E.R. WATTS AND SON LTD. , LONDON no.2634. Circa 1930
Prismatic range finder Cotton Type MK II. Naval Rangefinder with a vertically turned wooden handle, and an arrangement of optical lenses. Three reversible brass inserts calibrated on both sides in yards, correspond to various base heights, (20 and 25 feet, 30 and 35 feet and 40 and 50 feet). They are fitted along the axis of the instrument. When the scale for the appropriate base height is selected and inserted, the carriage can be slide for coincidence and the distance read at the index mark on the sliding carriage. Inscribed “Rangefinder Cotton Type Mk II” Calibrated scale up to 5000 yds (50 ft), 5000 yds (35 ft), 4000 yds (25 ft) made by E. R. Watts & Son. The box instrument holders are partly lined in green felt and two brass latch hooks hold the box closed. It measures approximately 11″ (28cm) in width, 3.5″(8.5cm) in depth and just over 2″ (5.5cm) high. The Rangefinder and the box are in good condition as shown.
a similar copy is in the Edward L. Greenwood Maritime Museum Collection
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Dealer information
Early Science
Early Science antiques was founded in 1978 by Fred de Vree based in the Netherlands where I can also be visited by appointment. I have been active for 4 decades as an antiqair and auctioneer, the last 20 years of which are specialized in scientific antiques. I visit collectors and fairs in many European countries. looking for special items please feel free to contact me by Phone or email ,if you need any information on my listed items or something you are looking for 0031653132842 [email protected]
