System Source computer museum has first-generation Apple computers and more [PHOTOS]

Bob Roswell knows how to do long division on a printing calculator and add and subtract with an abacus. He knows the “pepper grinder” calculator has 1,719 parts. He’ll unashamedly tell you his interest in technology began in the 1960s as an 8-year-old boy messing around on a Monroe calculator.

“I was a nerd then, and I’m a nerd now,” he said.
And if you join the BaltoMSDN Meetup group tonight, you can see these items and many more inside the computer museum at IT training firm System Source in Hunt Valley.
A computer science graduate of Yale University, Roswell has collected a variety of low- and high-tech gadgets since becoming co-owner of System Source in the early 1980s.
Tours of System Source’s computer museum are free. If you’re unable to attend with the BaltoMSDN group tonight, contact System Source to set up a guided tour with Roswell.
Photos of the System Source computer museum:
The tour begins with ancient tech from the 1400s…

…before taking a giant leap through time to the sort-of-new age.

Looking for a new laptop?

Or a new desktop?

Maybe these sleek new computers from Apple are more your speed.

Skynet’s grandfather:

What you couldn’t use on your AP Calculus exam in high school:

The computer museum at System Source: