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Dragon Whale

The Lightning Calculator

Lightning Calculator of Grand Rapids, Michigan (1900-1925).

collection.maas.museum/object/372791. Mechanical calculator on walnut stand with original slipcase cover. Still works.

790 views
17 faves
2 comments
Uploaded on April 2, 2018
Taken on March 31, 2018

The Lightning Calculator

Lightning Calculator of Grand Rapids, Michigan (1900-1925).

collection.maas.museum/object/372791. Mechanical calculator on walnut stand with original slipcase cover. Still works.

790 views
17 faves
2 comments
Uploaded on April 2, 2018
Taken on March 31, 2018
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