Rare and fascinating portable mechanical exposure calculator dating back to the early decades of the 20th century. The Le Posographe is one of the earliest scientific instruments designed to help photographers accurately determine exposure times long before modern light meters existed. Original antique scientific photographic instrument (circa 1910–1930) Fully mechanical internal sliding mechanism Original enamel exposure tables in excellent readable condition Solid metal frame with authentic aged patina Original embossed leather carrying case included Original instruction booklets in French and Italian included Highly collectible item, ideal for: • antique photography collectors • scientific instrument collectors • vintage mechanical device enthusiasts • industrial vintage décor and studio display Very good condition considering its age, with natural signs of wear that confirm authenticity and historical character. Complete and mechanically functional piece Rare collector’s item, seldom found complete with case and documentation Asking price: €290 Carefully packed, tracked shipping available worldwide Local pickup available