Slide rule

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OBJECT TYPE
SPECIAL PURPOSE/CIRCULAR
DATE
1963
ARTIFACT NUMBER
1998.0176.001
MANUFACTURER
Abbot Brown
MODEL
ISOTOPE HANDLING MKIII
LOCATION
Beaminster, England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Cellulose nitrate slide rule

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length
23.5 cm
Width
22.2 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Mathematics
Category
Calculating devices
Sub-Category
N/A

Manufacturer

AKA
Abbot
Country
England
State/Province
Unknown
City
Beaminster

Context

Country
Canada
State/Province
Quebec
Period
PROBABLY USED FROM THE 1960S
Canada
PURCHASED BY DONOR FOR USE IN MONTREAL
Function
USED TO ASSIST USERS OF GAMMA-RAY SOURCES BY PROVIDING A READY MEANS OF CALCULATING RADIATION DOSE RATES FOR THE OBSERVANCE OF SAFETY STANDARDS. RELATES SOURCE STRENGTH WITH SOURCE DISTANCE TO DOSE RATE WITH LEAD THICKNESS.
Technical
THE ABILITY TO RAPIDLY CALCULATE RADIATION DOSAGE RATES IMPROVES THE MONITORING OF LEVELS AND THUS THE SAFETT IF THOSE WHO WORK WITH OR NEAR THE SOURCES OF THE RADIATION. [REF 2]
Area Notes
Unknown

Details

Markings
PRINTING ON ARTIFACT INCLUDES: 'U.K.A.E.A. COPYRIGHT RESERVED/ Isotope Handling Calculator MK.III/ FOR GAMMA-RAY SOURCES AND LEAD SHIELDING/ Align:/ Source Strength with/ Source Distance/ Dose-Rate with/ Lead Thickness/ U.K.A.E.A/ THE RADIOCHEMICAL CENTRE/ ABBOT BROWN BEAMINSTER/.../ THE CALCULATOR RELATES THE FOLLOWING FACTORS FOR THE/ ISOTOPES Na24, CO60, RADIUM, Cs137, Ir192, I131 AND Au198./ GAMMA-RAY DOSE-RATE--OUTERMOST SCALE/ DISTANCE FROM THE SOURCE--2ND SCALE/ SOURCE STRENGTH--3RD SCALE/ LEAD THICKNESS--THE INNERMOST SET OF SCALES,ONE SCALE FOR EACH ISOTOPE/...THIS CALCULATOR IS ISSUED BY THE RADIOCHEMICAL/ CENTRE, AMERSHAM, ENGLAND/ IT IS MORE FULLY DESCRIBED/ IN U.K.E.A./ REPORT RCC-R165'
Missing
COMPLETE
Finish
WHITE WITH BLUE PRINTING
Decoration
BRITISH GOVT.LION SYMBOL DRAWN IN CENTRE

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

Abbot Brown, Slide rule, 1963, Artifact no. 1998.0176, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.0176.001/

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