Magnetism: electrical equipment and magnetic phenomena. Adapted from a coloured engraving by J. Emslie, (1850). Wellcome Collection.

Compostable wrapper.

Printed with vegetable-based inks on a carbon neutral press using responsibly sourced, acid free Italian paper.

170mm x 120mm.

Blank inside.

Individually wrapped in a compostable bag, with a 120gsm recycled kraft envelope.