I think they are called Rotherham fittings? (read Rotheram)
I believe the Brits set their sizes by the pipe orifice size,(about volume of flow, cross sectional area etc) so for a pipe with a 1/4" bore the fittings will be designated 1/4"
Someone can tell me if I am mis-leading?
Edit: there does not seem to be any support for what I thought, from a quick google.
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Bluebell
Carrier Armoured O.P. No1 Mk3 W. T84991
Carrier Bren No2.Mk.I. NewZealand Railways. NZR.6.
Dodge WC55. 37mm Gun Motor Carriage M6
Jeep Mb #135668
So many questions....
Last edited by Lynn Eades; 21-03-20 at 10:35.
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