TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...
Even before von Lilienthal's sug- gestion, Etrich and Weis had patented a similar idea, but had abandoned it during construction. $ While no experiments were made, more mature consideration led to the ...
THIS is an admirable little book suitable from every point of view as a present for a boy with a mechanical turn of mind. As the extended title indicates, the properties of the gyroscope are ...