This is a UK Met Office model 1191 Mk 2 marine microbarograph. It's huge and heavy. I suspect it was made by Negretti & Zambia. The chart drum is 5.5 inches in diameter, and the chart is 18 inches long. Metcheck in the UK still sells the chart, number MET310. The chart is too big for me to scan or print. The serial number has a 1976 date in it. It has a Met Office Property sticker on top of it. I found it at the shipbreakers in India.

It has a 7 day clock and the range is 950 to 1050 mb.

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