The patent poison bottle safe guard.
Head, George.
Rands and Mennell (Firm)
[London] : [George Head?]
[1892]
Patented by Z. Mennell and manufactured by Messrs. Rands and Mennell. "For further information and prices, address Mr. George Head ... Queen Victoria Street, London" - p. 12.
Mennell, Z.
Poisons.
England London.