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"Douglas" Combined Protractor and Parallel Ruler, by London Name Plate Manufacturing Co. Ltd, London, Early 20th Century

Inventory Number 75444

Acknowledgement: © History of Science Museum, University of Oxford, inv.75444

Acknowledgement: © History of Science Museum, University of Oxford, inv.75444

Subject: Measurement
Item type: Object
Makers: London Name Plate Manufacturing Co. Ltd
Physical material: Celluloid
Object type: Ruler
Inventory No: 75444

Description

In card slip case with pasted instruction sheet

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