'David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it'
Kaleidoscope
GREAT SCOTS!: David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it
David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it
David Brewster invented the stereoscope & this toy, a tube with mirrors & colored glass in it
GREAT SCOTS!
Kaleidoscope
GREAT SCOTS!