45, CORNHILL, E.C., A.ND 122, REGENT STREET, W., LONDON. 285 



FIG. 1103*. FIG. 1114. 



Each. 

 s. d. 



1105 Transit Theodolite, 6-inch, best, divided on Silver, reading to 



20 seconds 36 



1106 Ditto r ditto, 6-inch, reading 'to 10 seconds, with 



Astronomical Appendages ....... 41 



1 107 Ditto ditto, 7-inch or Alt-Azimuth and Altitude Instrument The vertical and 

 horizontal circles are divided on Silver, reading to 10 seconds, improved magnify- 

 ing readers to the divided circles, inverting erecting and diagonal eye-pieces, 

 tangent screw adjustment levels, locking'plates, with tripod stand and Mahogany 

 Cabinet for the instrument, with lock and key (fig. 1107) . . . . 48 10 



1108 Alt-Azimuth and Altitude Instrument, 8-inch Illuminated Axis, 



with Lamp, &c., complete as above 56 



1109 Ditto ditto 10-inch, with ditto 90 



1110 Ditto ditto 10-inch with Micrometer to Declination 



Circle 95 



1111 Ditto ditto, 12 -inch, with Ditto 110 



1112 Ditto ditto, 12 inch, with Micrometer to Declination Circle .120 



1113 Transit Theodolite, 5-inch, as specially made for the War Office, 

 with Solid Vertical Circle and covered Arcs, having three horizontal and 

 two Yertical Yerniers, fitted on Locking Plate in stout Mahogany Box, 



and with firm Tripod Stand 30 



1114 Everest's Theodolites, 4-inch, divided on Silver reading to 30 



seconds, with triangular locking plate (fig. 1114) with Tripod 



Stand . . , 22 



1115 Ditto ditto, 5-inch ditto 20 seconds . . . . . 26 10 



1116 Ditto ditto, 6-inch, reading to 20 seconds 33 



1117 Ditto ditto, 7-inch, reading to 10 seconds 37 



1118 Ditto ditto, 10-inch, reading to 10 seconds, with open braced 



stand, lantern, and axis level 63 



Instruments more finely divided, 21s. extra. 



Fcr description and prices of larger Transit instruments, &c., &c., 

 see Section Astronomical Instruments. 



