The Bureau of Labor Statistics reports that occupational therapists made $74,970 a year on average in May 2011. The top 10 percent of workers in the field made over $104,350 and the bottom 10 percent earned less than $49,980. Half of workers in the occupation made between $61,520 and $88,790 a year.
These patents covered a carbon rod in a nitrogen filled glass cylinder, and differed substantially from the first commercially practical bulb invented by Edison. Edison's major innovation was the first industrial research lab, which was built in Menlo Park, New Jersey. It was built with the funds from the sale of Edison's quadruplex telegraph.
Thomas Edisonâs Secret Lab is available on select public television stations through American Public Television, and the all-new Kid Genius channel on XFINITY. In December 2015, Thomas Edisonâs Secret Lab makes its debut on DVD courtesy of N Circle Home Entertainment. 1  To watch Thomas Edisonâs Secret Lab on Netflix or get information on how to subscribe, click here. 2  To watch Thomas Edisonâs Secret Lab on XFINITY or get information on how to subscribe, click here.