45, COBNHILL, E.G., AND 122, EEGENT STEEET, W., LONDON 



301 



FIG. 1203. 



1203 Abney's Contouring Reflecting Level or Pocket Altimeter. Improved form 

 with divided arc to show gradients, &c., (Fig. 1203). Price in case . 220 

 Fig. 1202 and Fig. 1203 are very nearly the actual size of the instruments 

 described above. 



FIG. 1215. 



FIG. 1209. 



FIG. 1216. 



1204 

 1205 

 1206 

 1207 



1208 

 1209 



1210 



1211 

 1212 

 1213 



LAND MEASURING CHAINS, TAPE MEASURES, ETC. 



Land Chain, Iron, 50 feet, and 10 Arrows 



Ditto, ditto, 100 feet, and 10 Arrows .... 



Land Chain, 100 feet, best Steel Wire with ditto . 



Gunter's Iron Measuring Chain, sixty-six feet, or four 

 poles in length. Light wire ..... 



Ditto dito, Stouter, Galvanised 



Gunter's Iron Measuring Chain, lest quality, Steel Wire, 

 with three sawed oval rings between each link, and 

 swivel in middle, and stout Brass swivel handles and 

 marks Galvanized (fig. 1209) 



Twenty-metre Chains, Centimetre links, best make 



Arrows, set of Ten Steel wire, Pointed and Numbered 

 for Ditto, 15 inches long and If -inch eye . 



Standard Chain, 50 -feet, best stout Steel Wire . 



Ditto ditto 66-feet 



Ditto ditto 100-feet 



11 



14 



1 2 



12 

 15 



18 6 

 18 6 



020 

 4 10 

 660 

 8 10 Q 



