Lot 190122: Monarch Model 93 Electric Adding Machine
Estate Auction: Multiple-Estate Liquidation Roseville, CA (184) · Sold
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Photos (1)
Archived Lot Result
- Auction
- Estate Auction: Multiple-Estate Liquidation Roseville, CA (184)
- Lot Number
- 190122
- Status
- Sold
- Hammer / Price
- Sign in to view realized price
- Opening Bid
- $5.00
- Accepted Bids
- 2
- Closed
- 2/1/26 7:24 PM PT
Description
A Monarch Model 93 electric adding machine from the late 1930s. It is a 10-column machine with an electric motor drive. The machine performs direct subtraction but displays complements instead of true negative totals. It is a printing calculator, featuring a paper roll to record entries and results. The device is an early example of a mechanical calculator that was updated with improved features into the late 1940s. 16" L x 9" W x 7 1/2" H Good condition.