Lindgren, Michael |
Glory and failure : the difference engines of Johann Müller, Charles Babbage and Georg and Edvard Scheutz / Michael Lindgren ; translation by Craig G. McKay |
Cambridge (Mass.) : The MIT press, c1990. |
Lindgren, Michael |
Scheutz's first difference engine rediscovered / Michael Lindgren and Svante Lindqvist |
In: Technology and culture Vol. 23 (1982), p. 207-213 |