Science and Technology timeline: http://65.107.211.206/science/scienc

PHOTOGRAPHY

Timeline: http://65.107.211.206/photos/chron.html

A history of photography:

http://www.rleggat.com/photohistory/e.html

A bibliography of Victorian photography:

http://www.indiana.edu/~victoria/photobib.html

Especially see references to Henry Fox Talbot, the inventor of "Victorian" (1835-45) photography and the calotype process, which, unlike the Daguerreotype process, allowed for multiple copies to be make of a single negative.

RAILROADS

Spence, Jeoffry. Victorian and Edwardian Railways from Old Photographs. London: B.T. Batsford, 1975.

THE CRYSTAL PALACE

http://www.victorianstation.co For a brief overview of the Great Exhibition and the Crystal Palace of 1851:

http://www.speel.demon.co.uk/other/grtexhib.htm