Paris: Octave Doin et Fils, 1914. First edition. 12mo., xviii, 375 pp., illustrations, diagrams, tables, xii pp. adverts. Publisher's printed cloth. Ex-library stamps on the front flyleaf and title page, number label on the spine. Very good. Item #26933
A study and manual of the various sources and uses of artificial light.
Roosens and Salu No. 428.