Redgrove, H. Stanley · London: William Rider & Son · leaf 118
is due the wprd gas —beforehis time various gases ^were looked upon as merevarieties of air—and he also made a distinctionbetween gases (which could not be condensed) l8 andvapours (which give liquids on cooling). In particularhe investigated the gas that is now known as carbon-dioxide (carbonic… … PORTRAITS OF J. B. AND F. M. VAN HELMONT. (From the Frontispiece to J. B. van Helmonts Oriatrike). To face page 76] § 59] THE ALCHEMISTS 77 collection of gases, and hence was led in many casesto erroneous conclusions. Francis Mercuries van Helmont (see plate 12),the son of John Baptist, born in…
Alchemy-History
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
