29th Apr, 2009 12:00

Maritime and Scientific Models, Instruments & Art ('Popham)

 
  Lot 208
 

208

[M] AN EARLY 19TH-CENTURY 11½IN. RADIUS VERNIER...

AN EARLY 19TH-CENTURY 11½IN. RADIUS VERNIER OCTANT BY B. WALTER, LONDON
with maker's plate inscribed WALTER : LONDON, the ebony frame with ivory scale divided to 95° and Ramsden's foul-anchor dividing mark to centre, braced lacquered brass index arm and fittings including pinhole sight, interchangeable shades and mirrors, turned pencil head in 'T' bar, note plaque to reverse and pin feet, contained within stepped keystone case with trade label for J. W. Norie & Co., lock and brass escutcheon -- 15in. (38cm.) wide

Sold for £558
Estimated at £500 - £800

(inc. buyer's premium of 24%)


 
AN EARLY 19TH-CENTURY 11½IN. RADIUS VERNIER OCTANT BY B. WALTER, LONDON
with maker's plate inscribed WALTER : LONDON, the ebony frame with ivory scale divided to 95° and Ramsden's foul-anchor dividing mark to centre, braced lacquered brass index arm and fittings including pinhole sight, interchangeable shades and mirrors, turned pencil head in 'T' bar, note plaque to reverse and pin feet, contained within stepped keystone case with trade label for J. W. Norie & Co., lock and brass escutcheon -- 15in. (38cm.) wide
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