-
He used the lanterns as a method, and he determined that light was "fast".
-
-
Their method was Jovian moon occultation, the speed was 215,000 km/s
-
his method was the aberration of light, and the speed he recorded was 301,000 km/s.
-
his method was spinning slotted wheel, and he record the speed of 315,300 km/s
-
he used a rotating mirror , and he recored a 299,910 km/s speed.
-
he used the capacities method, and he recorded 300,000 km/s.
-
He used 18 star pairs, and he recored the speed of 300,560 km/s.
-
they used the eloctrometric mehod, and recorded the speed of 299, 730 km/s.
-
they used electrical measurements and recorded 299,803 km/s.
-
he used electrical measurements and recorded 299,700 km/s.
-
they used an interferometer and recorded 299,798 km/s.
-
they used a kerr cell shutter and recorded 299,778 km/s.
-
they used an interferometer and recorded 299,774 km/s.
-
they used a microwave cavity and recorded 299,792 km/s
-
he used an interferometer and recorded 299,792.50 km/s.
-
he used a laser method anr he recorded a speed of 299,792.467 km/s.
-
ther used the laser method andr recorded a speed of 299,792.4588 km/s.
-
they defined the speed of light in the speed of 299,792.458 km/s.