![WW1 Royal Flying Corps vane anemometer / air meter made by Casella of London for measuring wind speed Stock Photo - Alamy WW1 Royal Flying Corps vane anemometer / air meter made by Casella of London for measuring wind speed Stock Photo - Alamy](https://c8.alamy.com/comp/M8TEE0/ww1-royal-flying-corps-vane-anemometer-air-meter-made-by-casella-of-M8TEE0.jpg)
WW1 Royal Flying Corps vane anemometer / air meter made by Casella of London for measuring wind speed Stock Photo - Alamy
![HORIBA LAQUAtwin pH-11 Pocket pH Meter Made in Japan For Soil, hydroponic, lab, water, aquarium, food, wine, beer, Chemical Compounds, Precision ±0.1 pH, Range 0-14, Easy Calibration, 2 Years Warranty: Amazon.com: Industrial HORIBA LAQUAtwin pH-11 Pocket pH Meter Made in Japan For Soil, hydroponic, lab, water, aquarium, food, wine, beer, Chemical Compounds, Precision ±0.1 pH, Range 0-14, Easy Calibration, 2 Years Warranty: Amazon.com: Industrial](https://m.media-amazon.com/images/I/31x34Gd7F4L._AC_SY1000_.jpg)
HORIBA LAQUAtwin pH-11 Pocket pH Meter Made in Japan For Soil, hydroponic, lab, water, aquarium, food, wine, beer, Chemical Compounds, Precision ±0.1 pH, Range 0-14, Easy Calibration, 2 Years Warranty: Amazon.com: Industrial
![MBX S.W.A.T. 4 x 4 Police #69 Matchbox Pursuit Truck Heroic Rescue Team & Silver Meter Made 2016 Police vehicle #16 in PROTECTIVE CASES, Matchbox POLICE.., By BcTlyInc From USA" - Walmart.com MBX S.W.A.T. 4 x 4 Police #69 Matchbox Pursuit Truck Heroic Rescue Team & Silver Meter Made 2016 Police vehicle #16 in PROTECTIVE CASES, Matchbox POLICE.., By BcTlyInc From USA" - Walmart.com](https://i5.walmartimages.com/asr/a03c67e0-c014-4ed7-b8ad-b8c1e43e7964_1.f8fff7a5d39c545d7591d65df5b25791.jpeg)