Disclosures on : New Syntheses of Perfluorostyrene and Other Highly Fluorinated Derivatives ; Temperature-, Radiation-, and Vacuum-resistant Magnetic Tape ; Conductometric Titration Cell ; Mill Work Positioner ; Process for Fabricating Superconducting Microbridges ; Apparatus for Displaying Average Wind Vane Or Other Shaft Position ; Document Numbering Machine Responsive to a Staple in a Print Area for Printing Alternate Area