Viewmaster
I've been picking my own garage. Look what I found!
I think this is 1950s
Hive mind, discuss
Two multi image collages of a Vintage Viewmaster
The viewer is black. The box is red and yellowed cardboard
@SecularJeffrey
but... I was born in 1961, and the viewer looks more modern than what I remember from those times (and yes, I had one)
