Quick Answer. A mixed cell reference in an Excel spreadsheet refers to a cell that contains both absolute and relative references. An absolute reference is a number that remains the same, and a relative references is a number that changes when a formula or function is applied to new cells. Continue Reading.
The English Renaissance. Ingo Jones (1573-1652), England's first major scene designer, introduced the Italian concept of perspective scenery to the English court theatre of James I in the beginning of the 17th century.
John Logie Baird demonstrates his invention in July 1926, first using a dummy known as Stooky Bill before finding a real human subject. His first TV set was made of scissors, an old tea chest and some sealing wax.