Collection

Friel-Sturdy radiographic slide rule with case, to determine exposure times for medical X-rays

Made:
circa 1946 in England
manufacturer:
Unique Slide Rule Company Limited

Friel-Sturdy radiographic slide rule with case by the Unique Slide Rule Company, used to determine exposure times for medical X-rays.

Details

Category:
Mathematics
Object Number:
1998-631
Materials:
wood, plastic, cardboard and complete
Measurements:
overall: 10 x 260 x 48 mm
type:
slide rule (radiation)
credit:
Dr D.J. Friel

Parts

Cardboard case for radiographic slide rule

Cardboard case for radiographic slide rule

Cardboard case for Friel-Sturdy radiographic slide rule by Unique, England.

Measurements:
overall: 17 x 280 x 66 mm
Materials:
cardboard
Object Number:
1998-631 Pt1
type:
instrument case

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