Hi - I was wondering if you could please incorporate some further Record type characters? I am currently doing a transcription of Statutes of the Realm (among others), and have run into a small number of issues.
Rather than giving you a big list, it's probably easier for me to link to three further contemporary printer's lists.
The History and Antiquities of the County of Dorset (1774). This is the first book published using Record type, and contains an extract from the Domesday book by Abraham Farley as well as a guide to the abbreviations. This was used as a testbed for Farley's 1783 edition of Domesday. This is considerably more complex than conventional Record type, with several unique glyphs (some of which aren't listed there, but laid out in the works below). Sadly, the matrices were destroyed in a fire in 1808.
Typographia (1824) Vol. 2 pp. 248 to 259. This has quite a few that aren't listed anywhere else, including a double l with combining double tilde overlay, which is in Statutes of the Realm Appendix D (but looks at first glance like the Middle Welsh ỻ).
A Dictionary of the Art of Printing (1841), pp. 677 to 679. This has a smaller list, but some (such as the e with flourish for 'est' and the m for 'manucaptor') being new.