Can anyone ID this factory stamp?

All the aircraft manufacturers used to sub contract many items /assemblies out to smaller specialist firms.

rgds baz

Thanks for that,was told it was Stirling,and it is a bit of canopy with perspex still attached,Stirlings were built in Birmingham,wonder if they were some sort of sub-contractor.?

from graces guide,1939 aircraft suppliers list

link…

http://www.google.co.uk/url?sa=t&source=web&ct=res&cd=27&url=http%3A%2F%2Fwww.gracesguide.co.uk%2Findex.php%3Ftitle%3D1939_Suppliers_to_the_Aircraft_Industry%26printable%3Dyes&ei=FnubSpm_O96fjAfz-sWkBQ&rct=j&q=high+duty+alloys+inspection+stamp&usg=AFQjCNH0t3nBo4MmwAICTo0bUtjTsMDBMw

Perfecta Motor Equipments Ltd., Excelsior Works, Oxford Street, Birmingham, 5, have a large and well-equipped works for the production of fixed and sliding hoods for pilots and gunners. They make windscreens, sliding roofs, windows, etc., to be fitted with plastic material to the F.56 specification, and undertake all sectional fabrication work.

edit…and from ‘Flight’ 1954

link

http://www.google.co.uk/url?sa=t&source=web&cd=10&ved=0CEoQFjAJ&url=http%3A%2F%2Fwww.flightglobal.com%2Fpdfarchive%2Fview%2F1954%2F1954%2520-%25202535.html&rct=j&q=perfecta+motor+equipments&ei=O_EVTIqBJoiI4gbs2LHJDA&usg=AFQjCNFCjSCwU9sZFdcO4N3djz08vZWm3Q

PERFECTA MOTOR EQUIPMENTS,
LTD., Oxford Street,
Birmingham 5 (Midland 1673).—
Manufacturers of aircraft canopies,
windscreens, emergency exits, miscellaneous
ejector-seat sub-assemblies,
light alloy and steel presswork.

Perfecta Motor Equipments Ltd. Birmingham.

No…I’ve never heard of them either.

Anne