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 /

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.Mode of access: Internet