Full Details

Name and Model Number Makeba Kombinator
Pencil Slide Rule
Country of Origin Germany
Date of Manufacture 1950-1970s
Front Scales C D
Back Scales A B
Scale Length 12 cm (5 in)
Type of Rule Slide Rule
Construction White paint with black scale and lettering on aluminum
Area of Use Generic
Comment The 5 inch scales seem to be of very good quality. Makeba was established in Bautzen, Germany, in 1922
Rarity RR
Donor Collection of Clay Castleberry
Match Number 325
(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.