The development of the electric motor

Electric motor

Picture gallery at the Spark Museum.

Lost knowledge

Lost knowledge

Makezine goes low-tech with a weekly column on lost knowledge and a special issue (on paper).

Early Machine Technology

Early machine technology

At BibliOdyssey.

Street life in 1905

(Source)

Steam log haulers

Steam log hauler

Steam log haulers: The handful of
Lombard steam log haulers known to still exist today are a part of
history that illustrates the ingenuity of those who came before us. 
That history came alive Saturday as one of these surviving 19-ton
machines steamed into action in Brunswick.

Ecotech fantasies

15 unconventional wind turbine designs that will never work.