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4.5" Mk 5 Armourers Testing Tools

Andy Naude

Well-Known Member
Recent acquisitions:

Case Testing Firing Circuits MK N1

4.5 IN MKS 3 - 5 GUNS

N4 1957

SR 119420 CRB 1 / 1974

Case length: 152 mm

IMG_1618.JPGIMG_1625.JPG

GAUGE TESTING PROTRUSION OF NEEDELE QF 4.5" MK 5 GUNS

TO BE USED WITH PUL - LIFTING TOOL OPERATING BREECH MECHANISM IN MARK 5 (3 - 5) GUNS

A 119994225555

AT 361 D.A.S.

N.O.D 2124/137

N1 1954

This item has been made from an 4.7" Mks XII Gun case.

Case length: 102 mm

IMG_1626.JPG

I would be interested to learn more about how these were used and what the other codes stand for.
 
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