BAIRD &TATLOCK (LONDON) LTD. 



1715 



1713" Balance, Oertling's Short Beam No. 1, with 8-in. beam, agate knife edges and planes, 

 to carry 100 grammes in each pan, and turn with o.i milligramme. Fitted with double 

 rider-slide, front of mahogany, glass case, with counterpoised weights, with pan supports 



1714" Balance, Oertling's Short Beam, No. 1, as above, but with plate-glass to bottom 

 of case 



1715" Balance, Oertling's Short Beam, No. 2, with 6-in. be'am, to carry 200 grammes in each 

 pan, and turn with o.i milligramme ; agate knife edges working on agate planes ; rider- 

 slide, which traverses the entire length of the beam ; plate-glass to bottom of case ; 

 polished mahogany glass case with counterpoise weights fitted to front slide, with pan 

 supports 



If desired, this instrument can be made with a beam to carry 500 grammes 

 in each pan, without extra cost. 



13 13 



15 15 



18 18 





CROSS STREET HATTOTST GARDETST, E; C 



344 



