Interesting Links

The IBM Archives (http://www.ibm.com/ibm/history/)
A wonderful source of historical information.

Check out Glenn Henry's computer museum (http://www.glennsmuseum.com/)
Some IBM, some military, some here, some there.

Visit the great 1401 restoration project (http://www.ed-thelen.org/1401Project/1401RestorationPage.html)
All you can say is, WOW.

The Computer Museum (http://www.punch-card.co.uk/)
The best IBM mainframe operator panel collection on the web -- and more.

Computing at Columbia (http://www.columbia.edu/acis/history/)
A fabulous history of hardware and software at Columbia University with lots of pictures through the years.

Rob Storey's Retro Computing Pages (http://members.optushome.com.au/intaretro/)
Great pictures of misc. hardware and even a dissection of a mainframe Thermal Condution Module.

Computer History Museum (http://www.computerhistory.org/)

Photos (http://www.nfrpartners.com/comphistory/)
Some photos of 1960's equipment in operation.

Paul Pierce's Computer Collection (http://www.piercefuller.com/collect/index.html)
Some great old systems, even a complete IBM 709 vacuum tube computer (1959).

All About the IBM 1130 Computing System (http://ibm1130.org/)
Big-iron-like, the budget conscious 1130 used the same Solid Logic Technology (SLT) circuits as System/360. A great site all about the 1130 (1965).

All About NCR (http://www.thecorememory.com)
Maintained by a former NCR programmer.

More vintage Computers, this one with a DEC focus (http://www.pdp-11.nl/)
Especially PDP-11.

Variety pack of interesting pictures and tidbits (http://www.dvq.com/).

Save the old bits! (http://bitsavers.org/).
Bitsavers documentation archive.

More Links -- Not necessarily Just "Big Iron," but still Great Stuff!

What can you do with 40-50 year old mainframe circuits? How about make a clock! (http://mymk14.co.uk/slt/main.htm)
Fascinating use for Solid Logic Technology (SLT) circuits, most of which were scrapped long ago.

The Transistor Museum (http://semiconductormuseum.com/)
Great historical background and pictures of early transistors.

The Computer Garage (http://agora.rdrop.com/users/jimw/jcgm.html)
Jim Willing's ecclectic collection.

Vintage Computer Collection (http://www.vintage-computer.com)
Erik Klein's computer collection and forum.