The Astounding Curta Mechanical Calculator. April, 2007.
The Astounding Curta Mechanical Calculator [link]Paper  abstract   bibtex   
Witness the jaw-dropping ingenuity of this fascinating hand-held mechanical calculating machine.
@misc{noauthor_astounding_2007,
	title = {The {Astounding} {Curta} {Mechanical} {Calculator}},
	url = {http://www.youtube.com/watch?v=HYsOi6L_Pw4&feature=youtube_gdata_player},
	abstract = {Witness the jaw-dropping ingenuity of this fascinating hand-held mechanical calculating machine.},
	urldate = {2014-03-27},
	month = apr,
	year = {2007},
}

Downloads: 0