Full Details

Name and Model Number Brunsviga Calculator
Country of Origin Germany
Date of Manufacture 1892-1927
Capacity 9 rotor, 8 counter, 13 accumulator
Construction metal
Area of Use Generic
Comment Length 370mm, width 150mm, height 120mm. Weight 17 pounds.
Wooden base, Metal cover.
Rarity RR
Donor Collection of Gary Flom
Match Number 394
(Click Picture for Details)

In conjunction with our 'donors' we assign a rarity rating to each item, based on the system devised by Herman van Herwijnen
(1929 - 2004), renowned Dutch collector, author, and creator of Herman's Archive, a collection of 5,000 slide rule images on CD.
• RR = Rare - 1 of 25 collectors has one; it may take a year to find an example in the marketplace.
• RRR = Very Rare - only a few known to collectors; may be several years before it comes up for sale.
• RRRR = Extremely Rare - a museum piece; unlikely that an example will come up for sale.