wratten87
wratten87


Author Comment Last activity Moderation
PlanetenPaultje "When I went to school in 1969 (something) the physics classroom was equipped with a big slide lantern that was installed by Siemens in 1925. It got..." | Read more » about 11 years ago
cfastie "Brother Will, who sent me the lantern slides, asked a good question today: What is a lantern slide? I guess I should have assumed that many folks b..." | Read more » about 11 years ago
patcoyle "Chris, what a thoughtful and informative piece. Delightful that you also had the R. W. Wood, infrared photographs show up in your mail box. " | Read more » about 11 years ago
warren "Wow... he's a character who'd likely have gotten along with us... That's amazing that you have those plates! You said it was probably not the orig..." | Read more » about 11 years ago