Before leaded toymakers, these homegrown shortchangers profiled in a 1938 issue of Mechanics and Handicraft conned “Mr. and Mrs. Buying Public” with lead-weighted ducks, berry boxes designed to look like they held more than they really did, and various deliberately faulty scales.
One scam some moving companies use, reader Mark tells us, is to weigh with empty tanks, pick up the load, and add say 200 gallons of fuel. Then they use the heavier weight at the scale and charge you for the total.
“Tare” or “tare weight” is the weight of an empty container. Tare is not included in a goods’ net weight. So, for instance, 32-oz jar of mayo on the supermarket shelf should actually weight more than two pounds.