There are good reasons to go small in a pipeline-inspection system. One is to get into the inspection market and test the waters without making too big an investment. Another is simply to get access to small spaces – drains, traps, conduits, ductwork – that otherwise aren’t accessible.Camera manufacturers offer an almost limitless variety of compact systems based on pushrod technology. The ones described here are the smallest or among the smallest in each supplier’s line. Take a quick look, then go to the Web sites or make some phone calls to find out which of these systems is best
