41. There was a speedometer and an air-pressure gauge . 42. We also verified the pressure gauge hadn't changed. 43. If a pressure gauge is attached to the cut stem, the root pressure can be measured. 44. TRUCKS-TIRES ( Undated ) _ Monitoring tire pressure used to only be done with a tire-pressure gauge . 45. A pressure gauge was fitted on the left sleeve and a pressure equalisation valve on the chest. 46. This valve has two pressure gauges attached. 47. He owns several patents, which include " Electromagnetic forming element " and " Differential pressure gauge ". 48. If so, it's as easy as buying a tire-pressure gauge and sticking it into that hanging stocking. 49. Underinflation is the country's most insidious fuel-burner and rubber-robber, but is easily correctable with a tire-pressure gauge . 50. Three original pressure gauges are housed in a timber panel below the middle window on the northwest wall.