Originally Posted by pete53
Was Charles Newton involved with some of the cartridge development like 250 Savage and the 300 Savage and maybe others for the Savage 99 ?

Yes. 22HP, 250-3000 and apparently the 300 Savage. Though the final designs of all of those may have been the work of Savage engineers like Charles Nelson.

[Linked Image from savagefest.net]

“The Savage 99 Pocket Reference”.
All models and variations of 1895’s, 1899’s and 99’s covered.
Also dates, checkering, engraving.. Find at www.savagelevers.com