A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams (1829)
Curtis, Thomas, fl. 1820 · London : Thomas Tegg · leaf 554
itriol. This balance may be contrivedin two ways; by either having the pin in themiddle of the beam, with a slender tongue a footand a half long, pointing to the divisions on anarched plate, as in fig. 3; or the scale with theliquor may be hung to [the point of the beamnear the pin, and the other…
Encyclopedias and dictionaries · Aeronautics
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
