BAIRD &TXTLOCK (LONDON) LTD. 



1720 



1720' Balance, Oertling's No. 6 Short Beam, with 61-in beam, to carry i kilo, in oach pan 

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

 which traverses the entire length of the beam ; polished mahogany glass case with 

 counterpoise weights fitted to front slide, fitted with pan supports 



1721' Balance, as above, with plate-glass fitted to bottom of case . . 



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