Adapted from an advertisement in 'Tables of the Concentrated Strength of Spirits by Sikes's Hydrometer as used by the Officers of the Excise Branch of the Inland Revenue', William R. Loftus, 1868. © Science Museum Group 170mm x 120mm (6 3/4" x 4 3/4"). Blank inside. Individually wrapped in a compostable bag with a 120gsm recycled kraft envelope. Printed with vegetable-based inks on a carbon neutral press using responsibly sourced, 300gsm Italian paper.