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Found 286 records, showing 5 of 24 pages

1929: Thos Firth & Sons Ltd
Firth Aircraft Steels 1929
Firth Aircraft Steels 1929
Rec. Num. 49 of 286 Source: Flight July 18th 1929
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1930: Thos Firth & Sons Ltd
Thos Firth & Sons - HR Crown Steel For Aircraft Production
Thos Firth & Sons - HR Crown Steel For Aircraft Production
Rec. Num. 50 of 286 Source: Aeroplane October 29th 1930
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1930: Thos Firth & Sons Ltd
Thos Firth & Sons HR Crown Heat Resistant Steel.
Thos Firth & Sons HR Crown Heat Resistant Steel.
Rec. Num. 51 of 286 Source: Aeroplane August 27th 1930
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1930: Thos Firth & Sons Ltd
Thos Firth & Sons Special Alloys For Aircraft Production
Thos Firth & Sons Special Alloys For Aircraft Production
Rec. Num. 52 of 286 Source: Aeroplane July 30th 1930
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1930: Thos Firth & Sons Ltd
Thos Firth & Sons Staybrite Steel For Aircraft Production
Thos Firth & Sons Staybrite Steel For Aircraft Production
Rec. Num. 53 of 286 Source: Aeroplane September 24th 1930
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1930: Thos Firth & Sons Ltd
Thos Firth Staybrite Steel Used On The Supermarine Southampton
Thos Firth Staybrite  Steel Used On The Supermarine Southampton
Rec. Num. 54 of 286 Source: Aeroplane December 31st 1930
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1930: Thos Firth & Sons Ltd
Thos Firth & Sons Aircraft Steels 1930
Thos Firth & Sons Aircraft Steels 1930
Rec. Num. 55 of 286 Source: Flight October 31st 1930
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1931: Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Firth Brown Aircraft Steels
Rec. Num. 56 of 286 Source: Flight June 26th 1931
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1931: Thos Firth & Sons Ltd Sheffield
Firth Steels: DTD 42S - DTD57A
Firth Steels: DTD 42S -  DTD57A
Rec. Num. 57 of 286 Source: Aeroplane April 29th 1931
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1931: Thos Firth & Sons Ltd Sheffield
Firth Staybrite Steel Strip
Firth Staybrite Steel Strip
Rec. Num. 58 of 286 Source: Aeroplane January 28th 1931
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1931: Thos Firth & Sons Ltd Sheffield
Firth Special Alloy Steel
Firth Special Alloy Steel
Rec. Num. 59 of 286 Source: Aeroplane February 25th 1931
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1931: Thos Firth & John Brown Ltd
Firth Brown - Firth Special Alloy Steels
Firth Brown  - Firth Special Alloy Steels
Rec. Num. 60 of 286 Source: Flight September 11th 1931
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