amylsacks' photos with the keyword: education

Peeking at my last posted image, I observe that an electrical tower is just a latticed piecrust rolled up like a giant vertical kluski! (Sorry that this is the best I could do after 6-7 months of... radio silence.) From the June issue of Electronics World magazine.

"An Introduction To The Study Of The Heavens. "Illustrated By Celestial Maps, And Upwards Of 200 Finely Executed Engravings. "To Which Is Added: A Treatise On The Globes, And A Comprehensive Astronomical Dictionary..."

From Familiar Astronomy : Published by Childs & Peterson, Philadelphia, 1857.