PeterM Well-known member Joined Jan 12, 2016 Messages 142 Location Las Vegas, Nevada USA Apr 3, 2022 #1 Anybody have any hands on experience using the Vreeland Spectroscope, I need some help... Attachments images 007.jpg 8.8 KB · Views: 2 images.jpg 7.2 KB · Views: 2 download_.jpg 9.6 KB · Views: 2 download___.jpg 11.1 KB · Views: 2