50.2 MB (6.3 MB compressed)
5142 x 3414 pixels
43.4 x 29.0 cm ⏐ 17.1 x 11.4 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Compressed air cylinder with a regulator attached. Two pressure gauges are used for measuring the inlet (upstrem) and the outlet (downstream) pressure. The inlet pressure indicates how much gas is left in the cylinder and the outlet pressure is used to monitor the flow of gas out of the cylinder.
Model release not required. Property release not required.