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Maker(s):Guatelli, Dr. Roberto A.; da Vinci, Leonardo, after
Culture:Italian (1904-1993)
Title:Variable Speed Mixer
Date Made:circa 1968
Type:Working Model
Materials:Wood, metal
Measurements:Overall: 30 in x 36 in x 12 in; 76.2 cm x 91.4 cm x 30.5 cm
Accession Number:  UM 1970.309
Credit Line:Gift of the International Business Machine Corporation (IBM)
Museum Collection:  University Museum of Contemporary Art at UMASS Amherst
UM1970-309.jpg

Description:
Six cogged gears of various sizes can be lowered to engage the cogged rim of the mixer drum allowing for six different speeds of rotation.
industry; labor; machine; mathematical; science; technology; tool; work

Label Text:
This device represents Leonardo's practical application of the Variable Speed Drive system to facilitate either mixing or separating. Six cogged gears of varying diameters, lowered into place by turning the top handle, are meshed with a large cylinder drum or mixer. The bottom handle rotates the cogged gears which ultimately drive the cylinder drum at six different speeds increasing with the size of the gear. The idea of different speeds of rotation has been developed for application in modern industry.- Dr. Roberto A. Guatelli

Tags:
industries; labor; machines; mathematics; science; technology; tools; labor

Link to share this object record:
https://museums.fivecolleges.edu/detail.php?t=objects&type=ext&id_number=UM+1970.309

Research on objects in the collections, including provenance, is ongoing and may be incomplete. If you have additional information or would like to learn more about a particular object, please email fc-museums-web@fivecolleges.edu.

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