Found 2 records, showing 1 of 1 pages
1938:
Controlled Heat & Air Ltd
Controlled Heat & Air. CHAL Ageing Ovens For Aluminium Alloys
Rec. Num. 1 of 2
Source: Flight June 30th 1938
1952:
Controlled Heat & Air Ltd
Controlled Heat & Air. CHAL Ovens. C.H.A.L. Ovens
Rec. Num. 2 of 2
Source: Aircraft Engineering April 1952
