BAIRD &TATLOCK (LONDON) LTD. 



1686 



1686' J Balance (as Fig. 1684) without glass case, mounted on mahogany sole with levelling 

 screws 





1687 



1688 



1687" Balance, Chemical, to carry 100 grammes, sensitive to | milligramme, in polished mahogany 

 glass case with drawer, brass levelling screws and plummet, all knife edges and bearings 

 of agate, no steel or iron used in construction. The beam is divided and fitted with rider 

 apparatus. Gilt pans 10 centimetres diameter, double hook for taking specific gravities, 

 with specific gravity table 



1688" Balance, Analytical, to carry 100 grammes, sensibility ! milligramme. Magnalium beam, 

 agate knife edges and planes, rider apparatus in glazed case of Magnalium 



4 10 



3 17 6- 



CROSS STREET HATTCTNT GARDEN, E'C 



332 



