Boyer Ignition

[Jurassic]

One's appeared on eBay with Silk adaptor about £42 if anyone's interested.
https://www.ebay.co.uk/itm/267696547114?itmmeta=01KTY94Z6VF9HKAG9NV0M0N5A5&hash=item3e53f5252a:g:EIgAAeSwI4tqKxY9