Found 235 records, showing 1 of 20 pages
1916:
Thos Firth & John Brown Ltd Sheffield
Firths Speedicut High Speed Steel
Rec. Num. 1 of 235
Source: Aeroplane April 12th 1916
1931:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 2 of 235
Source: Flight June 26th 1931
1931:
Thos Firth & John Brown Ltd
Firth Brown - Firth Special Alloy Steels
Rec. Num. 3 of 235
Source: Flight September 11th 1931
1931:
Thos Firth & John Brown Ltd
Firth Brown - Firth Special Alloy Steels
Rec. Num. 4 of 235
Source: Flight September 18th 1931
1931:
Thos Firth & John Brown Ltd Sheffield
Firth Brown - Firth Special Alloy Steels
Rec. Num. 5 of 235
Source: Flight October 2nd 1931
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 6 of 235
Source: Flight August 26th 1932
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Staybrite Steel For Aircraft
Rec. Num. 7 of 235
Source: Flight November 24th 1932
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aero Steels
Rec. Num. 8 of 235
Source: Flight October 27th 1932
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Staybrite Aircraft Steels
Rec. Num. 9 of 235
Source: Flight December 29th 1932
1932:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels 1932
Rec. Num. 10 of 235
Source: Flight March 25th 1932
1933:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 11 of 235
Source: Flight September 28th 1933
1933:
Thos Firth & John Brown Ltd Sheffield
Firth Brown Aircraft Steels
Rec. Num. 12 of 235
Source: Flight August 31st 1933