Air pressure gauge

[Zetomagneto]

Sorry Dave, another red herring

[Colin Wilks]

This is on Amazon in US, so has an NPT connector. Face looks reminiscent of the David Harcourt gauge. There is a Kodiac version that looks identical, but presumably has better internals at twice the price.
https://www.amazon.co.uk/dp/B00FBPPY1Y/r...DFb427RV5G

[Robert Foreman]

Something like this Dave. 

https://www.ebay.co.uk/itm/233575863432

[Michael D]

would this one suit you or be modifiable??? https://www.prewarcar.com/311414-flanged...ge-special

[Austin in the Shed]

Too high a range Michael,10 psi full range would be max.
I bought a low pressure gauge  2",new modern industrial type off Ebay a while ago with the intention to convert but it would be nice to come up with an original gauge similar to the rest I already have if possible.

[Peter Sweeney]

I used a standard A7 one on an oil drip feed on a 1898 Panhard. The pump came from a paraffin lamp and the rest I made from copper pipe, sheet and brass fittings. The gauge between the air reserve and the oil tank. The first I made with 2 pumps worked but needed more attention. 2 Brighton runs no problems. Pete

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I should have said standard oil pressure gauge. Pete

[Austin in the Shed]

I found a suitable smiths 5 psi oil gauge to convert with a good face. However Greg Clarke has produced an excellent 0-5 reproduction too as would be fitted to Bentleys etc.

[Robert Foreman]

    Here's mine Dave. 
  Later 0-5 Smiths gauge put into an earlier casing with new face.

[Austin in the Shed]

Looks very good.How did you do the face,Robert ?

[Robert Foreman]

Tony B can supply a face which you can colour to suit your other instruments. 
Or you can print your own on coloured paper. 
  If anyone knows a good screen printer who would be prepared to make small batches I would be very interested.