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 584
/.,■„,/..„ /■„/,/,.,/,,,/ /., ■//„.„,„.. /;•„,;.;./ /,-•„„„./,. 1,1,ww/ ww; … C H E M I S T It Y. 553 rings may be placed according to pleasure. Be-low these rings is a fountain lamp, on Argandsplan, which also slides on the main brass rod bymeans of a socket and thumb-screw. This lampmay be used for producing any degree of heatthat the operator requires, from a very…
Encyclopedias and dictionaries · Aeronautics
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