BAIRD &TATLOCK (LONDON) LTD. 



Oertling's Short Beam Balances. 



' 



1711 



1711" Oertling's Short Beam Balance, No. 18, with 6-in. beam, with agate knife edges working 

 on agate, to carry 100 grammes in each pan, and turn with 0.5 milligramme ; fitted with 

 rider-slide traversing total length of beam ; pans 3^ in. in diameter and pan supports ; 

 hooks for taking specific gravities ; circular spirit level ; polished mahogany glass case, 

 with three levelling screws and front slide fitted with counterpoise weights 



9 10 



CROSS STREET HATTOK GARDEN, E-C 



342 



