In 1209 the first motion detector was intended by Ben Ray Alexander wheat
ralph fitsherburt
Thaddeus S. C. Lowe invented the first compression ice maker. He invented it in 1866. An ice making machine was invented in 1851.
Alexander Stepanovich Popov invented lighting detection in 1894. It detects the likelihood that lightning will strike at a point in time during a thunderstorm.
yes, Jacob Perkins invented the ice machine.
The ionization type smoke detector was invented in 1931 in Switzerland.
The metal detector was invented in 1931 by Gerhard Fisher.
The metal detector was invented in 1931 by Gerhard Fisher.
timothy lunsford
IF you are alive, you have a heart
In 1209 the first motion detector was intended by Ben Ray Alexander wheat
ralph fitsherburt
to see if people were lying
the metal detector was invented because people in old days use to use it so they could find stuff in there body I think
The earliest patent for a carbon monoxide detector was from 1927. But, it wasn't until 1993 that First Alert introduced the first detector.
Toy Ghost Detector Device Inventor or EMF Detector Inventor was Joseph P. Carcia, III Patent #4,971,592 Date - November 20, 1990
Lorne Elias invented the explosive dectorin 1985 Lorne Elias invented the explosive dectorin 1985