{"product_id":"antique-pocket-barometer-altimeter-and-compass-compendium-made-in-england","title":"Antique Pocket Barometer Altimeter Compass Compendium Made in England","description":"\u003cp\u003eExcellent example of pocket barometer, altimeter and compass compendium made in England  The barometer scale goes from 21-31 inches and the altimeter scale ranges from zero to 10,000 feet adjusted by a knob. The wonderful and rugged compass has a nicely ornated dial and is attached to the back of the barometer. The body of the device is made from gilded brass with minimal wear and tear. Dimensions : 50 mm diameter and 24 mm height.  The device is still showing differences in the barometric pressure and altitude variation, the compass hand moves freely but is not that accurate.  \u003c\/p\u003e","brand":"Explorer Antiques","offers":[{"title":"Default Title","offer_id":48371562578107,"sku":null,"price":275.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1746\/2265\/files\/FullSizeRender_768a578c-0bc4-4d6d-b36b-06f35140b50f.heic?v=1789593976","url":"https:\/\/www.explorerantiques.com\/products\/antique-pocket-barometer-altimeter-and-compass-compendium-made-in-england","provider":"Explorer Antiques","version":"1.0","type":"link"}