BAIRD kT\TLOCK (LOM)ON) LTD. 



6388 Levelling Table, glass plate 8 in. diameter, J in. thick, fitted with three brass levelling 

 screws for practice in levelling and for testing spirit levels. Price with glass plate but 

 without level . 



096 



6389 



6389 Spirit Level, circular form, in brass 



J in., I/- ; li in. 056 



6391 



6391 T Students' Theodolite 



6392 



220 



. 6392 T Theodolites, best, divided on silver, with parallel plates and tripod stand, complete in 



mahogany case. 4 5 5 6 6 in. 



Divided to i min. i min. 20 sec. 20 sec. 10 sec. 



21 10 24 25 10 27 10 30 



1 6393' Transit Bell Theodolites, divided on silver, with parallel plates, and tripod stand, complete 



in mahogany case 4 5 5 6 6 in. 



Divided to i min. i min. 20 sec. 20 sec. 10 sec. 



24 26 10 

 6394 T Diagonal Eyepiece for above instruments . . 

 6395 T Open Frame Tripod for above instruments 

 6396 T Centring Head, for above instruments 

 6397' Hoffman Head for above instruments 



2O sec. 

 27 10 



20 sec. 

 30 10 



32 



extra 







1 1 

 18 

 1 10 

 2 2 



jfJCHEMICAL AND SCIENTIFIC APPARATUS AND PURE CHEMICALS. 



