Height of Atmosphere greeting card

Adapted detail from the coloured engraving 'Illustrations of Natural Philosophy: Pneumatics' by John Emslie, 1850. Emslie produced numerous educational charts illustrating the various scientific theories emerging from the industrial revolution. 170mm x 120mm (6 3/4" x 4 3/4"). Blank inside. Printed with vegetable-based inks on a carbon-neutral press using 100% recycled carbon-neutral paper. Individually wrapped in a compostable bag with a 120gsm recycled kraft envelope.