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Objects by: J. H. Steward Ltd

Objects by: J. H. Steward Ltd
1 to 3 of 3 Maker Information
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friction discs

friction discs

J. H. Steward Ltd
circa 1925
lubricant and friction testing machine

lubricant and friction testing machine

J. H. Steward Ltd
circa 1925
Portable variation compass,

Portable variation compass,

J. H. Steward Ltd
1852-1930
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