From left to right: the cover of the 1895 catalog, an excerpt from the page on slide rules,
Colonel Goulier's eclimeter rule.
The Henri Morin company produced numerous scientific instruments of all kinds (from simple
drawing instruments to theodolites, marine instruments, etc.). Founded around 1880, it operated until the 1960s.
Its numerous catalogs are a valuable source of information on the evolution of these instruments.
