Transparency, 40"x51 1/2", of Crab Nebula in Taurus (M.1. N.G.C. 1952) photographed in red light by the 200-inch Hale telescope Transparency, 40"x51 1/2"
Transparency, 15"x12", Modern Astronomers (from photo taken at Royal Observatory) Transparency, 15"x12", Modern Astronomers (from photo taken at Royal Observatory)
Transparency, 40"x51 1/2", of Spiral galaxy in Pegasus, N.G.C. 7217, photographed by the 200-inch Hale telescope Transparency, 40"x51 1/2"
12 pairs of monthly star diagrams, each in glazed frame (light size for each frame 18 1/2" x25 1/4") 12 pairs of monthly star diagrams
Glass positive, 15" x 12", showing the Corona at the Total Solar Eclipse of June 29th 1927. Taken at Giggleswick school, Settle Glass positive