Robert FitzRoy was a Vice-Admiral and the founder of the UK's Met Office, His work on weather forecasting and storm warnings helped establish the Met Office as a leader in the field of meteorology

These example of Met office aneroid barometers used in various weather stations around the UK. Barometers measure atmospheric pressure also known as air pressure and often are an indicator of what the weather might do. You lineup the two needle, it falls for worsening weather or rises for beater weather. The last two numbers representing the year of manufacture the Mo logo, which indicates it was made specifically for the meteorological office by different makers.

Met Office rain gauge have sharp brass rim of diameter 5 inches collects rain in a removable can.

The first pocket barometers were produced in the early 1860s. The development of pocket barometers progressed rapidly after the 1870s.  The Negretti and Zambra company, which was active from the 1850s to around 1935, produced a pocket barometer around 1867.

 Pocket Barometers, victorian men typically wore them in their in their waistcoat pockets on a chain.

 An early Twentieth Century Negretti & Zambra Pocket Weather Forecaster.

 Patented by the firm in 1915 (Patent No: 6276/15) this handy small scale forecaster proved extremely popular during the period. Using the direction of the wind and barometer reading it became possible for the user to be able to forecast changes in the weather.