Found 552 records, showing 6 of 46 pages
1930:
Thos Firth & Sons Ltd
Thos Firth & Sons Special Alloys For Aircraft Production
Rec. Num. 61 of 552
Source: Aeroplane July 30th 1930
1930:
Thos Firth & Sons Ltd
Thos Firth & Sons Staybrite Steel For Aircraft Production
Rec. Num. 62 of 552
Source: Aeroplane September 24th 1930
1930:
Thos Firth & Sons Ltd
Thos Firth Staybrite Steel Used On The Supermarine Southampton
Rec. Num. 63 of 552
Source: Aeroplane December 31st 1930
1930:
Thos Firth & Sons Ltd
Thos Firth & Sons Aircraft Steels 1930
Rec. Num. 64 of 552
Source: Flight October 31st 1930
1931:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 65 of 552
Source: Flight June 26th 1931
1931:
Thos Firth & Sons Ltd Sheffield
Firth Steels: DTD 42S - DTD57A
Rec. Num. 66 of 552
Source: Aeroplane April 29th 1931
1931:
Thos Firth & Sons Ltd Sheffield
Firth Staybrite Steel Strip
Rec. Num. 67 of 552
Source: Aeroplane January 28th 1931
1931:
Thos Firth & Sons Ltd Sheffield
Firth Special Alloy Steel
Rec. Num. 68 of 552
Source: Aeroplane February 25th 1931
1931:
Thos Firth & John Brown Ltd
Firth Brown - Firth Special Alloy Steels
Rec. Num. 69 of 552
Source: Flight September 11th 1931
1931:
Thos Firth & John Brown Ltd
Firth Brown - Firth Special Alloy Steels
Rec. Num. 70 of 552
Source: Flight September 18th 1931
1931:
Thos Firth & John Brown Ltd Sheffield
Firth Brown - Firth Special Alloy Steels
Rec. Num. 71 of 552
Source: Flight October 2nd 1931
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 72 of 552
Source: Flight August 26th 1932