BAIR.D &.TATLOCK (LONDON) LTD. 



3058 



3059 



058' Cathetometer, mounted on heavy iron tripod base with levelling screws, telescope fitted 

 with rack and pinion and spider lines, fine micrometer screw adjustment, focus adjustable 

 from 3 ft. .. .. .. .. .. .. .. .. 9 15 



059 3 Table Cathetometer, for reading accurately the mercury surface in gas tubes, eudiometers, 

 etc. Two feet rod on tripod base with levelling screws, spirit level, fine micrometer 

 adjusting screw . , . , . , . . . . . . . . 5 10 



iCHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS- 



579 



2P 



