BAIRD &TATLOCK (LONDON) LTD. 



Sartorius' Short Beam Balances. 



1722-1723 



1724-1725 



1722 Balance, Sartorius' Short Beam, No. 8a, special pattern for Works Laboratories, 

 with triangular beam of phosphor bronze; all knife edges and planes of agate ; pans of 

 German silver ; black plate-glass sole with pan supports ; to carry 100 grammes, sensitive 

 to .2 milligramme 



1723' Balance, as above, to carry 50 grammes, sensitive to .2 milligramme 



7 5 



1724" Balance, Sartorius' Short Beam, No. 7, knife edges and agate planes, platinum-plated 

 pans, base of black plate-glass, with pan supports, one rider apparatus, and beam divided 

 into i milligramme. Length of beam, 18 centimetres ; sensibility, 0.2 milligramme ; 

 to carry 500 grammes. . . . . . . . . ..110 



1725' Balance, as above, with beam 14 centimetres long, to carry 200 grammes, sensitive to 0.2 



milligramme . . . . . . . . . . . . . . . . . 715 



CROSS STREET HATTO^J GARDEN, E- C 



34-8 



