Analysis of information sources in references of the Wikipedia article "Thomas Edison" in English language version.
Secretary of the Navy Josephus Daniels seized the opportunity created by Edison's public comments to enlist Edison's support. He agreed to serve as the head of a new body of civilian experts – the Naval Consulting Board – to advise the Navy on science and technology.
He spent hours blowing glass tubes, which were laced with calcium tungstate, for an early model fluoroscope.
Radiology Legacy, invention of fluoroscopy
Secretary of the Navy Josephus Daniels seized the opportunity created by Edison's public comments to enlist Edison's support. He agreed to serve as the head of a new body of civilian experts – the Naval Consulting Board – to advise the Navy on science and technology.
He spent hours blowing glass tubes, which were laced with calcium tungstate, for an early model fluoroscope.
Radiology Legacy, invention of fluoroscopy