3 ms·
Was it secret at the time? Theres also a different intended use. You always get issues like this with 'firsts', theres very little new under the sun, so the l
by benj111 7y ago
Was it secret at the time?
Theres also a different intended use.
You always get issues like this with 'firsts', theres very little new under the sun, so the lines are always going to be arbitrary.
- keanzu 7y agoProfessor James J. "Crash" Ryan's '"Flight Recorder" patent was filed in August 1953 a device he invented in response to a 1948 request from the Civil Aeronautics Board aimed at establishing operating procedures to reduce air mishaps.
- benj111 7y agoI was responding to the Mata Hari. Ryan's recorder doesn't seem to record sound? As I said, you always get this with 'firsts'.