It was made by B. (Blundell Rules Limited) and is constructed of three disks of thin plastic with a clear plastic cursor line and metal center. The sliderule has a diameter of approximately 5 inches. Some of the printing on the front face: METER READING MILLIROENTGENS PER HOUR -- TIME AFTER BURST ACTIVITY TOLERANCES -- DILUTION FACTOR WATER ACTIVITY MICROCURIES PER C.
- TIME AFTER BURST Some of the printing on the back side: Inter-Services Ct. SET TIME AFTER BURST, disc'A,' AGAINST DILUTION FACTOR.SET CURSOR LINE AGAINST METER READING, disc'A. TOLERANCE LEVEL OF ORIGINAL UNDILUTED SAMPLE APPEARS UNDER CURSOR LINE, disc'B. SET TIME AFTER BURST, disc'C', AGAINST ARROW'T,' disc'B. SET CURSOR LINE TO METER READING, disc'A.
TOTAL WATER ACTIVITY OF ORIGINAL UNDILUTED SAMPLE IN MICROCURIES/C. APPEARS UNDER CURSOR LINE, disc'C.
Luton, England Please check my other auctions for more slide rules and related items. Thanks for looking and good luck! The item "Atomic Burst / Nuclear Blast Slide Rule AERE Water Contamination Calculator" is in sale since Tuesday, July 28, 2020. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Engineering\Slide Rules". The seller is "baja_ron" and is located in Sloughhouse, California.
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