Found 552 records, showing 4 of 46 pages
1920:
Thos Firth & Sons Ltd
Firth Brown Automobile Steels - Speedicut Drills 1920
Rec. Num. 37 of 552
Source: Aeroplane November 17th 1920
1921:
Thos Firth & Sons Ltd
Firth FNC Nickel Chrome Steel For Aircraft
Rec. Num. 38 of 552
Source: Aeroplane July 6th 1921
1921:
Thos Firth & Sons Ltd
Thos Firth & Sons Firths 3% Nickel Steel
Rec. Num. 39 of 552
Source: Aeroplane January 19th 1921
1921:
Thos Firth & Sons Ltd
Thos Firth & Sons Diehard Alloy Steel Hacksaws 1921
Rec. Num. 40 of 552
Source: Aeroplane April 13th 1921
1921:
Thos Firth & Sons Ltd
Thos Firth & Sons Firths Stainless Steels 1921
Rec. Num. 41 of 552
Source: Aeroplane April 27th 1921
1921:
Thos Firth & Sons Ltd
Thos Firth & Sons Die-Hard Long Life Hacksaws
Rec. Num. 42 of 552
Source: Aeroplane May 25th 1921
1927:
Thos Firth & Sons Ltd Sheffield
Thos Firth Super-Restless Malleable Staybrite Aircraft Steel
Rec. Num. 43 of 552
Source: Flight February 24th 1927
1927:
Thos Firth & Sons Ltd Sheffield
Firth Steels For Aircraft Constructors
Rec. Num. 44 of 552
Source: Flight February 10th 1927
1927:
Thos Firth & Sons
Firth Staybrite Aircraft Steels
Rec. Num. 45 of 552
Source: Flight May 5th 1927
1928:
Thos Firth & Sons Ltd Sheffield
Firth Case Hardened Steel For Aircraft
Rec. Num. 46 of 552
Source: Flight May 3rd 1928
1928:
Thos Firth & Sons Ltd
Firth Special Alloy Steels For Aircraft Construction
Rec. Num. 47 of 552
Source: Flight November 29th 1928
1928:
Thos Firth & Sons Ltd
Firth Stainless Steels For Aircraft Constructors
Rec. Num. 48 of 552
Source: Flight August 23rd 1928