[SIGCIS-Members] Leonardo da Vinci's model maker: Looking for Guatelli replicas

[herbert.bruderer at bluewin.ch]

Dear colleagues:
The Italian engineer Roberto Guatelli was a world-famous model maker. 
He built many models based on the drawings of Leonardo da Vinci for IBM New York.
Moreover, he made replicas of important historical calculating devices:
machines of Pascal, Leibniz, Babbage, Hollerith and Steiger/Egli (Millionaire).
Several replicas are preserved in collections in New York, Ottawa, Mountain View, Pittsburgh, and Milan.
I am very grateful for information on additional replicas:
a) Did Guatelli build replicas of other calculating machines? Which?
b) Have these replicas survived?
c) Where are these replicas?
d) Do you know more about Guatelli's life?
Many thanks for your help!
Best,
Herbert
Communications of the ACM:
The Model Maker of Leonardo da Vinci,
Blaise Pascal, and Charles Babbage
https://cacm.acm.org/blogs/blog-cacm/233366-the-model-maker-of-leonardo-da-vinci-blaise-pascal-and-charles-babbage/fulltext
Meilensteine der Rechentechnik, volume 1
https://www.degruyter.com/view/product/480555
 
Meilensteine der Rechentechnik, volume 2
https://www.degruyter.com/view/product/503373
 
 
Amazon
https://tinyurl.com/y9upwagp 
ETH Zurich, Department of Computer Science
Bruderer Informatik, 
Seehaldenstraße 26, 
Postfach 47, 
CH-9401 Rorschach, 
Switzerland
 
 
  Telefon +41 71 855 77 11
  
 
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