Andy,
Firstly, apologies. I missed post #5.
Thanks for the pointer (in the 12 Sqn ORB), regarding the mention of "4000lb HCN Inst".
Col.
Further to this topic, for reference, see Armament, Vol I "Bombs and Bombing Equipment" Air Historical Branch:
https://www.raf.mod.uk/our-organisat...atic-studies1/
Also, after reviewing Harris' Despatch on War Operations, I'm pretty sure that "Inst" refers to Instantaneous, (Instead of Installation) and N is for Nose.
Jim
Andy,
Firstly, apologies. I missed post #5.
Thanks for the pointer (in the 12 Sqn ORB), regarding the mention of "4000lb HCN Inst".
Col.
No probs, Col
Andy
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