Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,689 pages of information and 247,075 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
371. NUNN, RICHARD MADDOCK, Wexford, Ireland — Inventor.
Hydrometer, for ascertaining the specific gravity of liquids from 0.600 to 2.000. The weights are introduced into the instrument below the centre of gravity.
Pump for medical and other purposes, stomach enemata, etc.
Door-spring, to act without noise.
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