Levers have existed since prehistoric times. There is no record of who invented levers. The earliest mention of levers of which there is a record was by Archimedes, but they were in use long before his time.
in fall of 1877 by Thomas A. Eddison
78 kilograms = 171.960565 pounds
78 kg = 12.3 stone.
78 Celsius is 172.4 Fahrenheit.
how do you know a 78 record is a first run
A 78 is a gramophone record played at 78 revolutions per minute.
In 1995, the Montreal Expos had a 66-78 record.
In 1997, the Montreal Expos had a 78-84 record.
In 1952, the Washington Senators had a 78-76 record.
In 1923, the Washington Senators had a 75-78 record.
In 1984, the Montreal Expos had a 78-83 record.
In 1986, the Montreal Expos had a 78-83 record.
The Boston Redsox record in 1987 was 78-84
They were 84-78.
In 2008, the Dodgers won the NL West with a 84-78 record.
A single 78 rpm record cost about .25 cents back in 1956. This would be the cost for a recording of Elvis Presley's Heartbreak Hotel.