‘When you need it most’ The basic motto for what to take when exploring. Traversing vast continents and oceans on voyages of discovery, seemingly simple instruments like this were used to navigate. The expedition scientist using magnifiers to study new species of plants, insects, animals. Twin-function compass and magnifying glass original from a collection of early scientific instruments. Brass, hand made. Magnifies 6x.

M. 1.7 x 2.9 x 0.7''