Aperçu gratuit du livre A Description of the Safety Lamp, Invented by George Stephenson. to Which Is Added, an Account of the Lamp Constructed by Sir H. Davy. [With] a Collection of All the Letters Which Have Appeared in the Newcastle Papers, With Other Documents, Relating to Th
A Description of the Safety Lamp, Invented by George Stephenson. to Which Is Added, an Account of the Lamp Constructed by Sir H. Davy. [With] a Collection of All the Letters Which Have Appeared in the Newcastle Papers, With Other Documents, Relating to Th