One of the "small runs" employing wire wrapping was the Apollo Guidance Computer. Each launch requires two of these units, one in the orbiter and one in the lander.
http://en.wikipedia.org/wiki/Apollo_Guidance_Computer
http://en.wikipedia.org/wiki/Wire_wrap
http://en.wikipedia.org/wiki/Apollo_Guidance_Computer
http://en.wikipedia.org/wiki/Wire_wrap