James Weightman Profile Topics Started Replies Created Engagements Favourites Search topics: Topics Engaged In Viewing topic 1 (of 1 total) Topic Voices Posts Last Post Seestar Objective Prism Spectroscopy Started by: James Weightman in: Spectroscopy 4 4 4 months, 3 weeks ago Dr Paul Leyland Viewing topic 1 (of 1 total)