Found 292 records, showing 1 of 25 pages
1914:
Thos Firth & Sons Ltd Sheffield
Firth FMS CN/I Steel Sheets For Quick Delivery
Rec. Num. 1 of 292
Source: Aeroplane August 12th 1914
1914:
Thos Firth & Sons Sheffield
Firth Special Steel Sheets. Bullet Proof Plates
Rec. Num. 2 of 292
Source: Aeroplane August 26th 1914
1914:
Thos Firth & Sons Sheffield
Thos Firth Royal Aircraft Factory Specification Aircraft Steels
Rec. Num. 3 of 292
Source: Aeroplane September 16th 1914
1914:
Thos Firth & Sons Sheffield
Thos Firth Sheffield: Aircraft Steels
Rec. Num. 4 of 292
Source: Aeroplane September 30th 1914
1915:
Thos Firth & Sons Ltd Sheffield
Firth's Aircraft Steels Used By Leading Aeroplane & Engine Makers
Rec. Num. 5 of 292
Source: Aeroplane February 3rd 1915
1916:
Thos Firth & John Brown Ltd Sheffield
Firths Speedicut High Speed Steel
Rec. Num. 6 of 292
Source: Aeroplane April 12th 1916
1916:
Thos Firth & Sons Ltd
Thos Firth Speedicut High-Speed Steel Turning Cutters & Drills
Rec. Num. 7 of 292
Source: Aeroplane May 3rd 1916
1916:
Thos Firth & Sons Ltd
Thos Firth & Sons Aircraft Steels 1916
Rec. Num. 8 of 292
Source: Aeroplane October 4th 1916
1916:
Thos Firth & Sons Ltd
Thos Firth & Sons Cast Steels
Rec. Num. 9 of 292
Source: Aeroplane October 11th 1916
1917:
Thos Firth & Sons Ltd
Firths Cast Steel Files 1917
Rec. Num. 10 of 292
Source: Aeroplane September 19th 1917
1918:
Thos Firth & Sons Ltd
Firth's Aircraft Steels 1918
Rec. Num. 11 of 292
Source: Aeroplane July 24th 1918
1918:
Thos Firth & Sons Ltd
Thos Firth & Sons Aircraft Steel 1918
Rec. Num. 12 of 292
Source: Aeroplane July 3rd 1918