Pear shaped glass, curved tube from top, straight tube from bottom James Watt's Garret Workshop 1790-1819
Box containing red lump of a shiny substance, labelled 'gum boage' James Watt's Garret Workshop 1790-1819
Memo: “These are fired by 80 degrees of Wedgwood’s thermometer." James Watt's Garret Workshop 1790-1819