Technology
Technology
KRUPP, FRIED.
Krupp's Panzerstand und Panzer..Essen, Buchdruckerei der Gussstahlfabrik von Friedr. krupp, (1880).
GERMAN ARTILLERY MANUSCRIPT WITH 87 ILLUSTRATIONS 1912. - V. ERDMANN.
Belejringsartilleriet og Felth..Kjøbenhavn (Copenhagen), 31/3 1912.
SAY, HORACE. - THE INVENTION OF THE STEREOMETER (GAS PYCHNOMETER).
Description d'un Instrument pr..(Paris, Chez Fuchs, Guillaume, An VI (1797)).