INDEX. 



PAGE 



Abney Level and Clinometer .... 127 

 Adjustable and Interchangeable Telescope, 



107, 165, 166 



Adjustable Plumb-Bob . . . 8, 46, 208 

 Top and Side Telescope 106, 165, 166 

 Adjusting of Dumpy Levels .... 64 



mpy 



of Transits 

 41 of Wye Levels 



Adjustment of Instruments 

 Adjustments of Transits. 

 Cross-wires . 

 Telescope Standards 



48 



52 

 . 24 



Level to Telescope 

 Arc or Vertical Circle 



26, 48-50, 94, 104-107 

 . 51 



48, 51, 54, 94, 144, 152 

 . 51, 103, 147 



Striding Level 56,95 



-Auxiliary Side and Top Telescope 104-106 

 Axis of Revolution with Striding Level 98 

 Adjustments of Dumpy Level . ... 54 



Wye Level 52 



Alt.-Azimuths . . . * . . . 186-188 

 Aluminum in Instruments of Precision, 



27, 122, 123 



Anemometer, Portable 210 



Angle-Mirror 195 



Arc or Vertical Circle, Adjustments of . . 103 



Artificial Horizon 194 



Astronomical Transit Instruments . . 185-191 

 Automatic Dividing Engine .... 4 

 Auxiliary Telescopes .... 104-108, 166 



Bags, Gossamer and Silk 209 



Base-plate, Intermediate 134 



Broken Cross-wires, replacing . . .19. 



Berber's Solar Attachment 154 



Adjustments and Use of . . . 57-69 



Bracket 169 



Brunton's Mine Transit 210 



Brushes .209 



Care of Centers and Graduations . . .13 



44 Instruments 13-24 



" Telescope Lenses 14 



Catalogue and Price-List .... 121-210 



Centers 87 



Care of 13 



44 Shifting, for Transits .... 46 



Centering Arrangement 46 



Chains, Engineers' and Surveyors' . . . 207 



Chesterman Tapes 201-203 



City Transits .... 142-152,180-183 



Clinometers 93, 127 



Adjustments of 127 



Cloth -Finish 11 



Collimation, The Line of 26 



Collimator (cut) 6, 50, 92 



Compass 8, 37, 113, 201 



Complete Transits, Engineers' and Surveyors, 



145-153 



Complete Transits, Mining .... 162-1 

 Construction of Instruments, General . 



Cross-wires 19, 45, 81 



44 4l Illumination of ... 



Current Meters 196-198 



Davis' Solar Attachment . ... 156. 157 



Adjustments and Use .. 

 Declination, Reduction ... 59, 60, 72 



4< Observation . 



Detachable Side Telescopes . 104,105,164,165 

 Distance Measurements by Stadia Wires 7, 87-90 

 Double Opposite Vernier Attachment . . 14 



Engineer^ Chains 207 



Dumpy LI-T*| . . . .130, 131 

 Instruments and their Adjustments 31 

 Precise Level .... 137-139 

 Transits. General Construction 



32, 142-153 



Engineers' Transits, Adjustments of . 31-51 

 Wye Levels .... 51-55 



Equatorial Adapter 168 



Equatorial Telescope . . v . . . 192, 193 



Excelsior Tapes 204 



Extension Tripod 162, 163 



Facts Worth Knowing 26 



Finish, Styles of 11 



Fixed Stadia Wires ... 7, 45, 81, 87, 90 



Flexible Self-reading Rod 202 



Focal Length Apparatus . . . . 10, 119 

 Focalimeter . . . ... . . 119 



General Construction 9 



Gossamer and Silk Bags 209 



Gradienter Screw 7, 39 



Tables .... 42-45 



Graduations, . 



Care of 



Half-length Tripod 

 Hand Levels . 

 Horizon, Artificial 



Hydrqgrapher's Wye Level 



Illumination of Cross-wires 



5,35 

 . 13 



. 162, 163 

 . . .127 

 .194 



. 134, 135 

 . 9 



Improved Prism and Colored Glass Attach- 

 ment . . . . . . . 156, 157 



Instrument Adjustments . . 24, 31-56, 93-108 

 Care of . . . . . 13-24 



Repairs of 29 



14 Transportation of . . . .22 



Interchangeable Auxiliary Telescope, 104-108, 166 



Lamp Targets 171,172,177 



Lamps, Mining, Engineering and Plummet . 208 



Lateral Adjuster, patented 162 



Latitude Level Attachment . . 60, 78, 154, 155 

 Portable Instruments 



Latitude Observations 



for . 



Lenses, Care of 

 Level Triers . . 

 Levels, Dumpy 



44 ' 4 Adjustments of 



44 Engineers' Precise 



Wve . . 



. 189 

 14,15 



109, 125 

 128-131 

 54,55 

 137-139 

 132-133 



44 Adjustments of 51-53 



Hand 127 



Hydrographers' .... 134, 135 



Reversion 136 



Spirit on metal base . * . .127 



Striding 56 



Leveling Attachment, Quick . . 9, 39, 126 

 44 Instruments, Pocket . . . 128, 129 



Bods 902 



Screws . . ... . .38 



Line of Collimation . . . t . . .26 

 Locke's Hand Level . . . . . 93, 127 



Longitudinal-Dividing Engine . . . .12 



Lubricants . . . . . . .17,209 



Lucas' Steel Tapes . . . . . .205 



Lufkin's Steel Tapes i .204 



Magnetic Needles, Balancing .... 8 



44 44 Variations . 8, 37, 113 

 Why They Vary. . .113 

 Magnifying Glasses 209 



Marine Compass 



Adjustment of 103 .. i, ..:..< ..i,, r ,, 



Dnmpy Levels 129-131 1 Marking Pins . 



Adjustments of 54 i Measurements by Fixed Stadia Wires 



Duplex Telescope Bearings for Mining Meridian, to find" from Equal Altitudes 



Transits I? 2 " " Polaris . 



Edge Graduation for Vertical Circle . . . 162 211 



.201 

 .207 

 87-91 

 61,63 

 . 70 



