19-04-2023, 06:47 PM
(This post was last modified: 19-04-2023, 06:52 PM by Stuart Giles.
Edit Reason: missing words
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(19-04-2023, 05:47 PM)Erich Wrote: I seem to recall that some parts, hubs perhaps, used Admiralty threads. Might these be some of the special threads listed?
Additionally, BSPT and BSPP.
Erich in Mukilteo
The items marked as 'special' in the Cornwall club listing are all WF (Whitworth Form) threads -they're mostly 16 TPI; this forum is the only place I've heard them referred to as Admiralty threads. All the old Lucas lamps I've dealt with have had BSB threads, Not cycle as per the listing.