45, CORNHILL, B.C., AND 122, REGENT STREET, W., LONDON. 289 



FIG. 1142. 



i 



ECKHOLD'S PATENT OMNIMETER. 



1142 This important Surveying Instrument, as shown fig. 1142, measures distances 

 and altitudes with accuracy and great economy of time, it accomplishes the work 

 of Theodolite, Level and Chain, and can be used as a Transit Theodolite. 



Eckhold's Patent Omnimeter, 5-inch, reading to one minute . . 45 



Ditto ditto 6-inch, reading to 20 seconds . . . 50 



1143 Taochiometer, 5-inch, complete in Stout Mahogany Box . . 36 

 Ditto ditto 6-inch 40 



Printed instructions for use supplied with each instrument. 



Each. Each. 



s. d. s. d. 



1144 Spirit Level Tubes, plain, marked and warranted, per inch 003 



1145 Ditto ditto ditto best ground . 006 



1146 Ditto ditto ditto best ground and graduated 006 



1147 American Universal Hand Level, for levelling floors, 



ceilings, or walls 16 



1148 Circular Pocket Spirit Level (fig. 1148) .... 066 



