XJF360240 Illustrations of barometers and looking glasses made by John Patrick (engraving) by English School, (17th century); Private Collection; (add.info.: John Patrick (1654-1730); first English instrument maker to specialise in the manufacture of the barometer; credited with invention of the portable barometer; a looking glass (mirror) was often put in the same frame to help people decide what clothes to wear depending on the weather;); English, out of copyright.