Piche evaporimeter with case by Negretti and Zambra, 122 Regent Streer, London, England, 1890 with box containing rough filter papers. Piche type evaporimeter, British, 1890 1890
Piche evaporimeter by Negretti and Zambra, 122 Regent Streer, London, England, 1890. Part of Piche type evaporimeter, British, 1890 1890
Carton of paper discs and rough-made wooden box marked '967 MET.' associated with Piche evaporimeter by Negretti and Zambra, 122 Regent Streer, London, England, 1890. Filter papers & box for Piche type evaporimeter, British, 1890 1890