Technology
Technology
PHYSIKALISCHEN WERKSTÄTTEN A.=G. GÖTTINGEN.
PHYWE Hauptkatalog über Physik..Göttingen, n.d. ca. 1910.
MEALY, GEORGE H.
A Method for Synthesizing Sequ..New York, American Telephone and Telegraph Company, 1955.
GRAY, FRANK & J. W. HORTON & R. C. MATHES.
The Production and Utilization..New York, American Telephone and Telegraph Company, 1927.
TELEGRAPHY - SIGNALLING - BERGSTRÄSSER, J.A.B.
Uebersichten und Erweiterungen..Leipzig, Breitkopf, 1795.
POND, JOHN. - TROUGHTON'S ASTRONOMICAL CIRCLE DESCRIBED.
On the Declinations of Some of..(London, W. Bulmer and Co., 1809).