|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|
|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.
|Donor||Collection of Ed Chamberlain|
(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.|