284 



NEGRETTI AND 2AMBRA, HOLBORN VIADUCT, E.G., 



FIG. 1100. 



THEODOLITES. 



1098 3-inch Theodolite, divided on Silver, with Telescope and 



tripod stand ......... 



1099 4-inch Theodolite, divided on Silver, with three tangent 



screws, tripod staff, &c., complete .... 



1100 5-inch Best Theodolite, divided on Silver, reading to 1 



minute, with three tangent screws, rack work adjust- 

 ment to telescope, tripod staff, complete ; with stout 

 mahogany box, improved screwed packings, strong 

 brass handle and loops adapted for a strap (fig. 1100) 



1101 6-inch Best Theodolite, divided on Silver, reading 



to 20 seconds ........ 



1102 7-inch ditto ditto to 10 seconds 



1102* 3-inch Transit Theodolite with Tripod Staff 



1103 4-inch ditto ditto reading to 1 minute 



1103* 5 -inch ditto ditto best, divided on Silver, reading to 1 

 minute, with Diagonal Eye Piece (fig. 1103*). The tangent and 

 clamping adjustments are of the most approved construction . 



1104 5-inch ditto ditto divided on Silver, reading 



to 1 minute, complete with Illuminated Axis, Lamp, and other 

 Astronomical Appendages .... ... 



Each 

 s. d. 



18 18 



21 



24 



31 10 



35 10 



21 



25 



29 







