Technology
Technology
PYROTECHNICAL SIGNALLING - COULIER, (P.F.) et RUGGIERI (C.F.).
Nouveau Code de Signaux de Jou..Paris, Chez l'Auteur, 1846.
MATERIALS FOR ORNAMENTATION, BRIDGES AND ROADS - SPECIMENS - ÉCHANTILLONS.
Caption titles: Programme ou r..Paris, Dunod, 1867.
BLONDEL, (ANDRE É.). - THE INVENTION OF THE ELECTROMAGNETIC OSCILLOGRAPH.
Oscillographes; nouveau appare..(Paris, Gauthier-Villars), 1893.
BLUMLEIN, ALAN DOWER.
Improvements in and relating t..[London, Eyre and Spottiswoode], 1933, 14th June.