A Cyclopaedia of Practical Receipts and Collateral Information. 2nd edition, London, 1845.

Thank you @volunge ! Love the history

Very unique and complex!

subsulphate of mercury sounds like it should help with the eyes.

With developing the third eye- literally

@volunge          I love these old articles.

In a hundred years time people may be looking back at our present day encyclopedias to find out how to make electronic cigarettes and vaping fluids. 

Keep up the good work.