Found 552 records, showing 5 of 46 pages
1928:
Thos Firth & Sons Ltd
Aircraft Quality Firth Staybrite Steel For Welded Fittings
Rec. Num. 49 of 552
Source: Flight November 15th 1928
1929:
Thos Firth & Sons Ltd
Firth Aircraft Steels - Alloy Steels For Every Purpose
Rec. Num. 50 of 552
Source: Aeroplane July 24th 1929
1929:
Thos Firth & Sons Ltd
Firth - Alloy Steels To Air Board Specification S2,S3,S8 etc
Rec. Num. 51 of 552
Source: Flight June 27th 1929
1929:
Thos Firth & Sons Ltd
Firth Special Alloy Steels For Aircraft Constructors
Rec. Num. 52 of 552
Source: Flight March 28th 1929
1929:
Thos Firth & Sons Ltd
Firth Staybrite Steel
Rec. Num. 53 of 552
Source: Flight July 11th 1929
1929:
Thos Firth & Sons Ltd
Firth Aero Steels 1929
Rec. Num. 54 of 552
Source: Aeroplane July 17th 1929
1929:
Thos Firth & Sons Ltd
Firth Aero Steels
Rec. Num. 55 of 552
Source: Aeroplane September 18th 1929
1929:
Thos Firth & Sons Ltd
Firth Aero Steels
Rec. Num. 56 of 552
Source: Aeroplane September 18th 1929
1929:
Thos Firth & Sons Ltd
Firth Special Alloy Steels
Rec. Num. 57 of 552
Source: Flight January 17th 1929
1929:
Thos Firth & Sons Ltd
Firth Aircraft Steels 1929
Rec. Num. 58 of 552
Source: Flight July 18th 1929
1930:
Thos Firth & Sons Ltd
Thos Firth & Sons - HR Crown Steel For Aircraft Production
Rec. Num. 59 of 552
Source: Aeroplane October 29th 1930
1930:
Thos Firth & Sons Ltd
Thos Firth & Sons HR Crown Heat Resistant Steel.
Rec. Num. 60 of 552
Source: Aeroplane August 27th 1930