In the first various decades with the 20th century, other inventors tried (unsuccessfully) to utilize gyroscopes as The idea for early black box navigational programs by making a steady platform from which exact acceleration measurements can be carried out (as a way to bypass the necessity for star sightings to http://felixgoqor.digiblogbox.com/19887997/how-list-of-garfield-and-friends-episodes-can-save-you-time-stress-and-money