See Also: Davy, Sir Humphrey(dictionary)
Davy(dictionary)
Crockett, Davy(dictionary)
Davy, Sir Humphry(encyclopedia)
Crockett, Davy(encyclopedia)
Davy Jones(dictionary)
davy jones(medicine)
Humphrey Hawkins Act(finance)
Bogart, Humphrey(dictionary)
Humphrey (as used in expressions)(encyclopedia)
Davy, Sir Humphrey (oh)
(1778-1829) a British scientist who invented the Davy lamp, an oil lamp that could be used in coal mines without causing explosions. He also discovered several elements (=basic chemical substances) , including calcium, sodium, and potassium .
Sites
Net Market Place | Jewelry Pendants | Gpt Admin | listing hyip | women | Jewelry Earring | bridal | seek blogger | like ads | for couples | jewelry Rings | wenfu | Jewelry Earrings | Light Star | looyle | Dream Star | pest star | black veil brides | Jewelry Charms | psyche clone | diamond promise | health | Jewelry Charms | link read | health | men gold | Super Star | Jewelry |