232 



Balances and Sets of Weights. 



No. r>i :.L'.-. 



51526. 1:6 



51 528. 1 : 3. 



51,527 

 1000 grams 

 0.5 mg 

 12.0.0 



Analytical Balance, with half-length Beam, Figure 51,526, with adjustable end knife 

 edges; round, best lacquered or nickelled brass pillar; with arrestment for the beam 

 and suspensions, by means of which the centre and end knife edges can be removed 

 from the bearing; and with arrangement for shifting the rider and brush device for 

 arresting the pans. The bearings are of agate. The glass case has a walnut frame, a 

 sliding door in front balanced by counterpoises, and side doors. The case is finely 

 polished, the cornices and projecting ornamental parts being polished black. Levelling 

 screws and level are supplied. 



List No. 51,525 51,526 



To carry 50 200 



Sensitivity 0.1 0.1 



Price, lacquered or nickelled, with gilt axes 8. 15. 10. 10. 



Prices without rider weights. For Sets of Weights, see pp. 241243. 



The rider glide of this balance is arranged for the entire length of the beam. The two halves of 

 the beam are divided into 100 parts. The balance is so adjusted that its sensitivity when the maximum 

 load is applied is the same as when unloaded. 



These balances are also, if desired, supplied with mahogany cases instead of walnut cases, with- 

 out extra price. 



x 



r>l,.~iL'S. Micro-Balance, Nernst's, Figure, a torsion balance for weights to 2 milligrams 

 and for an accuracy of Vioon to ''/, milligrams. (Berichte der Deutschen Chemischen 

 Gesellschaft, 36, No. 10, and 38, No. 1. - - Fr. physik. Techn. I, 2, Fig. 2251) . . . 



Short Triangular Beam Analytical Balance, of lacquered brass, quick-swinging type, with 

 pointer suitable for rapid work; plane, firm centre bearing. The pans are nickelled. 

 The balance has a black enamelled iron pillar with plummet. The arrestment of the 

 compensating suspenders moves in the are of oscillation of the beam. The rider scale 

 rests iii the axial plane and is divided on both sides into 100 parts. The glass case, resting 

 on a dead-black plate glass slab, is fitted with levelling screws, and has a sliding 

 \\iudo\v in front balanced by counterpoises. Figure 51,529. 



List No. 51,529 



To carry 200 



Sensitivity 0.2 



Price 6. 10. 



51,530 



50(1 grains 

 0.5 mg 

 7.10.0 



SO 



o 



| 

 C 



I 



I 

 a 



p 



5. 10. 



Cl. 549:i. 



