Pack consists of a 2 year supply of 4889/120 barograph charts suitable for Everton barograph and one fibre tip stylus. Charts are calibrated in millibars (960mb/1050mb) and start on Monday. The chart grid is printed in orange, which gives a good contrast to the ink used.
Size: 9 5/16"x2 5/16" (237x58mm)
*Image for illustration purposes only.