3rd May 1785: The second balloon of Italian aeronaut Vicenzo Lunardi (1759 - 1806). Original Publication: From a drawing by J Dighton, (British artist, op.c.1785) (Photo by Hulton Archive/Getty Images) Vicenzo Lunardi|Vincent Lunardi Hot Air Balloon Innovation Air Vehicle Hydrogen Balloon
Black hydrogen element into golden square shape isolated in white background Periodic Table Science Chemistry Hydrogen element
Little blue car based on a personal and original sketch. It is not a known car. The H2 design on the door of the car is not a known logo. No copyright on it. The H2 is the chemical symbol of hydrogen. Mode of Transport Clean Transportation Hydrogen car
A building block of alternative energy, Hydrogen is unique in its ability to bond with oxygen during the energy making process, leaving only water as a byproduct. Hydrogen Atom Proton Hydrogen Atom
Gradient and transparent effect used. File format is EPS10.0. Three Dimensional Model Built Structure Hydrogen sulfide molecular model
Production (1+2) and oxidation (3) of hydrogen. Wood engravings, published in 1880. Equipment Work Tool Rusty Hydrogen, wood engravings, published in 1880
