James Wadsworth
From Graces Guide
Worked on safety of mines, particularly ventilation and safe lighting.
1856 Patented his Mode of Ventilating Mines - 23rd August 1856
1859 Patent. 2211. To James Wadsworth, of Manchester, in the county of Lancaster, Gas Engineer, for the invention of "improvements in instruments or apparatus for measuring the quantity, for regulating the pressure, and for controlling the flow or passage of gas used for purposes of illumination, and in the construction of gas burners."[1]
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