Technology
Technology
WEAVER, A & N. A. NEWELL.
In-Band Single-Frequency Signa..New York, American Telephone and Telegraph Company, 1954.
WIEGLEB, JOHANN CHRISTIAN - JOHANN NICOLAUS MARTINUS - GOTTFRIED ERICH ROSENTHAL.
Die natürliche Magie, aus alle..Berlin und Stettin, Friedrich Nicolai, 1789-1805.
HENKET, N.H., CH. M. SCHOLS, J.M. TELDERS.
Waterbouwkunde. Met Medewerkin..'S-Gravenhage, Gebroeders van Cleef, 1885-96.
[VARIOUS AUTHORS].
[The Picturephone System, cont..New York, American Telephone and Telegraph Company, 1971.