Show only I of an inch in some very interesting well ns extraordinary accounts have been given concerning in the production of minute thread from gold glass platinum and other substances the most remarkable of thesa minute filaments according to C V the experimenter are those of quartz he says As torsion threads these of quartz would beem to be more perfect in their elasticity than any known ns strong a steel and can be made reasonable length perfectly uniform in diameter find so fine a to be beyond abo power of any microscope yet made the tail ends of these must be atlease time than ordinary spun gibbs of course t i blo to manipulate cliwe minute filaments although tharo no difficulty in measuring threads less thau the thousandth one part of an inch in diameter st louie |