Glass positive:- Meteor and Polar star trails
Glass positive:- Meteor and Polar star trails, W.J.S. Lockyer, at the Norman Lockyer Observatory, Sidmouth, 1922, November 16, 5 1/4-inch lens, focal length, 28 in, 10" x 12"
Glass positive:- Meteor and Polar star trails, W.J.S. Lockyer, at the Norman Lockyer Observatory, Sidmouth, 1922, November 16, 5 1/4-inch lens, focal length, 28 in, 10" x 12"