Full Details

Name and Model Number Nestler Rechenwalze 1.6 m
Country of Origin Germany
Date of Manufacture c. 1930
Front Scales A & B scales in 16 sections
Back Scales none
Scale Length 1.6 m
Type of Rule Cylinder
Construction Paper scales on a metal cylinder supported on a wooden stand.
Area of Use Generic
Comment Unusual short scale cylindrical slide rule.
Came with fitted cover and storage box.
Often used by bankers.

Rarity RRR
Donor Collection of Ed Chamberlain
Match Number 168
(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.