Dr Hayden J. Jamer
an Australian Student.
There is not much information on the young scholar but he is working on many vast inventions.
the first spectroscope was invented in 1859 the first spectroscope was invented in 1859
Alessandro Volta invented the first battery and Gaston Planté invented the first rechargeable battery.
who invented the first shot[flue shots]
Henry Mill invented the typewriter in 1714
brazil invented the first photocopier machine
The duration of Clapperboard - TV series - is 1500.0 seconds.
Clapperboard - TV series - was created on 1972-04-14.
Clapperboard - TV series - ended on 1982-01-01.
You might be talking about a clapperboard? http://en.wikipedia.org/wiki/Clapperboard
A clapperboard is used to synchronize sound and picture and to mark the takes and scenes of a particular picture. You can get more information about this at the Wikipedia. Once on the page, type "Clapperboard" into the search field at the top of the page and press enter to bring up the information.
Clapperboard ,
A Clapperboard .
A clapperboard.
A clapperboard.
Clapperboard
a megaphone ?
It's called a clapboard, or a clap slate, or a clapperboard. According to Wikipedia (see the Related Link below), "Other names for the clapperboard include clapper, slate, slate board, sync slate, time slate, sticks, board, and marker."