UNSPECIFIED (1817) John Ingram trade card [reproduction]. [Artefact]
UNSPECIFIED (1817) Theoretical and practical remarks on G. Blake's system of malting and brewing : confirmed by near 50 years' most sedulous study of its elementary principles... He particularly recommends a trial of his apparatus for procuring gas as a substitute for yeast ... to which will be added, a description of his new and improved sacchrometer, which acts without the use of any weight ... [etc.]. [Artefact]