Hi I have been investigating the Cashmore family, in particular Paul Cashmore who it would appear produced revolvers which were recorded as Pryse and Cashmore - and patented somehow by George Daw.
On an article I have with regards to the Cashmore and particularly Pryse and Cashmore revolvers it informs that Pryse remained in business through to 1883 and that in 1886 the firm reorganised in the name of 'Thomas & Lewis Pryse (his sons)' and remained in business until around 1904. I have this information from
https://collegehillaresenal.com Hope this helps.