http://wikiless.i2p/wiki/Antonio_Meucci?lang=en
Meucci conceived a new structure of the roof and ventilation system, to avoid the roof to be taken off in like situations. 1848 Astronomical observations by means of a marine telescope worth $280. 1849 Chemical process for the preservation of corpses, to cope with the high demand for bodies of immigrants to be sent to Europe, avoiding decomposition during the many weeks navigation. 1849 First invention of electrical transmission of speech. 1850-1851 First stearic candle factory of the...