Found 6 records, showing 1 of 1 pages
1939:
Fel-Electric Ltd
Fel-Electric Johnson-Fel Crack Detector NDT, Test Equipment 1939
Rec. Num. 1 of 6
Source: Flight December 7th 1939
1940:
Fel-Electric Ltd
Fel-Electric - Johnson-Fel Crack Detector
Rec. Num. 2 of 6
Source: Flight February 8th 1940
1940:
Fel-Electric Ltd
Fel-Electric : Johnson-Fel Demagnetiser
Rec. Num. 3 of 6
Source: Flight December 12th 1940
1940:
Fel-Electric Ltd
Fel-Electric : Johnson-Fel Crack Detector
Rec. Num. 4 of 6
Source: Aeroplane November 8th 1940
1946:
Fel-Electric Ltd
Johnson-Fel Demagnetiser
Rec. Num. 5 of 6
Source: Aircraft Production February 1946
1957:
Fel-Electric Ltd
Fel-Electric Crack Detection Equipment. NDT. Trust Products
Rec. Num. 6 of 6
Source: Aeroplane July 26th 1957