Date
active 1876-1901, thermometer & hydrometer maker, Nenhaus am Rennwig, Thüringen, Germany

Haak, William

1836 - 1898

active 1851-1899(?), optician, meteorological, mathematical & philosophical instrument maker, London

Pastorelli and Company

1851 - 1899

active 1848-1860, barometer, thermometer, mathematical & optical instrument makers, London, England

L Casella and Company

active 1839-1913, optician, mathematical, barometer, thermometer, hydrometer maker, London, British

J. Somalvico and Co.

active 1857-1861, chem. & philosophical inst., barometer & thermometer maker & ironmonger, London

G Knight and Company

active 1845-1846, optician, hydrometer, barometer and thermometer maker, London, British

Ronketti, John George Harris

1870s, thermometer maker, Berlin, Germany

Ch J Geissler und Sohn

active 1838-1860, barometer, thermometer, and storm glass maker, La Gorgue, France, French

Lebleu-Turpin

active 1743-1817, barometer, thermometer maker, Germany, Edinburgh, Scotland, German?

Knie, Baltasar

active 1719, barometer maker, thermometer maker, London, England, British?

Robelou, Isaac

active 1836-1846, barometer & thermometer maker, London, England

Tagliabue & Casella

active 1751-1760, thermometer maker, France

Casati, Pierre

active 1851-1880, thermometer maker, London, England

E Cetti and Company

active 1839-1857, chem. & philosophical inst., barometer & thermometer makers & ironmonger, Britain

George Knight & Sons

active 1845-1860, barometer and thermometer maker, Halifax, Yorkshire, England, British

Lainton, Samuel

French, active 1880-1910s, thermometer maker, Paris France

Tonnelot

active 1870s, thermometer maker, Berlin, Germany

Meyer, Ludwig

active 1938-1943, thermometer maker, German

Bossecker, Max

active 1845-1863, optician, optical instrument, barometer & thermometer Maker, Birmingham, England

R. Field & Son