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with the Conservative government being pressed for details of its policy
25th October 1982
who held the patent for France
to the left a woman is holding a stick over her kneeling husband and twisting his nose
1554 (1797)
Davy lamp Clerkenwell Close with the Conservative government beingOriginal model for a miners' safety lamp by Humphry Davy, the narrow cylindrical gauze is shown housed under a glass dome on an ebonized base. Davy created the lamp for use in coal mines, he discovered that a flame enclosed inside the fine mesh does not ignite firedamp (methane and other flammable gases) thus preventing explosions. ca. 1815
