Baird's system used a mechanical camera consisting of a large spinning disc, with a spiral of holes that Paul Nipkow had developed in 1884. This old mechanical technology was quickly replaced by superior electronic television. Philo Farnsworth successfully demonstrated electronic television in San Francisco, in 1927.
(Hope this helps.!)
If both the president and vice president cant assume the rule then THE HOUSE SPEAKER will take the president title <span />
The House's primary charge against Johnson was violation of the Tenure of Office Act, passed by the U.S. Congress in March 1867, over the president's veto.
1) Personal Scrapbook
A picture of what junior prom dresses looked like...
Ticket stub from Titanic
2) Corporate Business Records
Vote from a shareholders meeting...
Graph showing net profits and losses...
3) Government Census Data
The population of the three largest cities...
The number of citizens under age 18....
4) University Archives
Publications by English Department faculty....
Alumni Association bylaws...
Its the periodic movement if that what your asking for
