Coca-Cola bottle, brush, screwdriver. Ashtray?
Helluva picture.
I like the old stool - makes it seem so more amazing that the atomic era could begin way back then.
Almost certainly an ashtray. Much, much higher percentage of the population smoked back then, and it was accommodated everywhere. Look at pics from Mission Control during space shots in the 60s. There are ashtrays at those consoles all the engineers are sitting at.
Here’s a good shot where you can see a big glass ashtray:
http://www.nasa.gov/images/content/353902main_S65-28266.jpg