A construction project, for example, is often governed by a guaranteed maximum price contract (GMP) . This type of legal agreement sets a ceiling or maximum price for which a person or entity will pay for a certain project.
The arc lamp used in the Lighthouse of Alexandria is further proof that electricity was used in ancient Egypt. The energy required to power the Lighthouse of Alexandria for 24 hours a day could only have been supplied by a regular electrical source.
The first public street lighting with gas was demonstrated in Pall Mall, London, on January 28, 1807, by Frederick Albert Winsor. In 1812, Parliament granted a charter to the London and Westminster Gas Light and Coke Company, and the first gas company in the world came into being.altimore was the first American city with gas streetlights, provided by Peale's Gas Light Company of Baltimore. The first private residence in the US illuminated by gas was that of William Henry, a coppersmith, at 200 Lombard Street, Philadelphia, Pennsylvania.