SOLLD – The circular column is supported via a compass joint allowing the instrument to be tilted with fine focud thumb wheel to the top. The draw tube is supported by a limb, total height pushed down is 9.5″ (24 cms ), the inner draw tube signed, ‘ E. Hartnack et Cie, Place Dauphine 21, Paris’. Contained in mahogany case with lock and key (all damage free).
Edmund Hartnack was in partnership with Georg Oberhaeuser and the company became ‘Hartnack’ in 1859. Hartnack formed ‘Hartnack et Cie’ in 1870 when departed Paris and the business became ‘Hartnack and Prazmowski’ in 1873.
Ask the Dealer
I live in Lancashire (U.K.) and have been a dealer and collector of scientific and nautical instruments for a number of years. My stock has included some fine items from museums and colleges, which were surplus to their requirements. I occasionally purchase some interesting items from abroad, having established some reliable sources.