Primarily, [link|http://www.nfrpartners.com/comphistory/|photos of old IBM equipment]. I remember as a work experience kid having to lean the vacuum channels of the tape drive - gangs of fun.
The author's wry commentary is good value too.
Picture A : "Decks of punched cards"
Picture B: "Insert the cards at left to produce these. They are called 'core dumps'" :)
And the wall behind the 1130 system is just ... far out.