Index Hughes, Daniel and Samuel 4 letters from: RTP, RTP3 271–272 300–301 325 335–336 3 letters to: RTP, RTP3 268 317–318 328 1 identified, RTP3 269n.1 1 quality of cannon, RTP3 291 1 to build new furnace, RTP3 300–301 1 on cannon testing, RTP3 311 1 contract, RTP3 389 1 to cannon committee, RTP3 317–318