Historical Content Note: The following material is reprinted from publications from throughout Fermilab's history. It should be read in its original historical context.

Photos of Felicia at Work

Felicia Ferret emerging from a 300-foot long vacuum pipe at the NAL. The tiny animal wears a special harness to which is fastened a string which she pulls through the pipe. Workmen can then fasten a swab to the string which when also pulled through the pipe, cleans out unwanted construction particles (1 of 4)