woa2 Posted July 11, 2012 Share Posted July 11, 2012 Having a clear-out I found some Compound No 97 made by WT Henley's Telegraph Works in Westcott, Dorking, Surrey. It looks like a slab of a waxy substance. I remember buying this with a 'Miscellaneous' lot from an Army Auction back in the early 1970s. Anyone know what it is and what it is for? Clive - Is this something you can help with??? Many thanks. Quote Link to comment Share on other sites More sharing options...
fv1609 Posted July 11, 2012 Share Posted July 11, 2012 Robert two things spring mind either as some sort of rosin flux in connection with soldering or as an insulating material to be melted into connections. I have a 1909 telegraph manual that lists lots of things used by linesmen & the like but nothing like that listed. WT Henley's Telegraph Works hold a patent on an insulating "compound" 51(?) used in connection with sea going mine hunting equipment. Quote Link to comment Share on other sites More sharing options...
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