Hand vacuum pump with gauge and yellow digital multimeter on a w…

A hand-held vacuum pump with a round black-faced vacuum gauge sits on a white bench, its hose running off to the right and its test leads clipped in. Beside it a yellow Wingard digital multimeter with red and black probes is set up for testing, with a red "NOV 26 2003" date stamp at lower right.

AI caption November 2003 · Photo 3231 of 5000