Technology

ZIMPEL, CHAS. F.

Wien, Förster's, 1840.

FLEMING, (JOHN AMBROSE).

London, Harrison and Sons, 1905.

WILHELM, JOHANN (+) BOCKLER, GEORG ANDREAS.

(Architectura civilis:) Nuremberg, Paul Fürst, (no year); (Theatrum Machinarum Novum:) Nuremberg, 1703.

ELLIS, WILLIAM.

London, Weaver Bickerton, 1732.

ADAMS, GEORGE.

Leipzig, Crusius, 1798 & 1799.

SMILES, SAMUEL.

London, John Murray, 1857.

SIDENBLADH, ELIS.

Sth., 1947.

SVENSKA JÄRNVÄGER.

Stockholm., 1868-(72).

WEYGAND, HERRMANN.

Laipzig, Buchhandlung für Militairwissenschaften, 1872.

OXHOLM, PETER LOTHARIUS.

Kiøbenhavn, Nicolaus Møller, 1777.

MÜLLER, HEINRICH.

Berlin, Polytechnische Buchhandlung 1875.

DOWSETT, H.M.

London, The Gresham Publ. Comp., 1923-24.

(VARIOUS AUTHORS).

New York, American Telephone and Telegraph Company, 1979.

BERGSØE, PAUL.

Copenhagen, 1938.

TELEPHONY -

Chicago, 1906-14.

THORSTENSEN, SV.

Oslo, 1946.

SIEMENS, C. W.

Newcastle-Upon-Tyne, M. & M. W. Lambert, 1877.

MORRISON, L. W.

New York, American Telephone and Telegraph Company, 1947.