LEGION D’HONNEUR PRESENTATION MARINE INSTRUMENTS FOR FRENCH NAVAL OFFICER MARCEL ANDRE RAOUL EBSTEIN KALFA BY A HURLIMANN PARIS Antique anemometer for sale The hair is suspended through

The hair is suspended through the centre of the frame and similarly clamped to the base pointer mechanism which has fine balance adjustment to allow the pointer to traverse the scale

It is perhaps not surprising to learn that the publisher of the book which includes the Goodman’s extensometer description was himself a member of the Concrete Institute so it reflects that the Adie Company continued providing instruments for those at the cutting edge of industry even at this late stage in the company’s history

numerous companies such as Max Kohl of Germany are known to have produced them in latter stages of the Nineteenth Century and early Twentieth Century

William Avery in 1814

LEGION D’HONNEUR PRESENTATION MARINE INSTRUMENTS FOR FRENCH NAVAL OFFICER MARCEL ANDRE RAOUL EBSTEIN KALFA BY A HURLIMANN PARIS Antique anemometer for sale The hair is suspended throughFor sale a suite of Legion DHonneur presentation marine instruments for French Naval Officer Marcel Andre Raoul Ebstein Kalfa, manufactured by the Parisian firm of Ponthus & Therrode (successors to the firm of A Hurlimann). The set comprises of three walnut cased instruments, a sextant, a pair of associated binoculars which may be attached to sextant and an artificial horizon. The skilfully proportioned ladder framed sextant is complete with index