Patent and patent specification 16372 for an invention for the fireproofing of textile materials held by Harry Grimshaw, 1902-3.
Patent and patent specification 17434 for improvements relating to the fireproofing of paper, cardboard and similar materials, 1902-3.
Correspondence regarding a possible infringement of patent 16372, dated 1905.
Leaflet advertising fire extinguishing products manufactured by The Pyrene Company Limited.
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