Description
- MATERIAL :- Brass, Aluminium & Glass
- TELESCOPE ALIDADE :- A Telescopic Alidade Is An Instrument Used To Obtain The Bearings Of An Object Along With Other Information. It Is A Sophisticated Device Which Gives Accurate Bearings. The Optical System Simultaneously Projects The Image Of The Compass Card, Together With A View Of The Spirit Level, Onto The Optical View Of The Telescope. By This Means, Both The Object And Its Bearing Can Be Viewed At The Same Time Through The Alidade Eyepiece.
- HOW TO MEASURE DISTANCE :- For Example, Distances May Be Measured By Edm Or By Tachymetry, A Geometric Technique In Which The Vertical Distance On A Graduated Vertical Staff, Seen Between Two Stadia Hairs In The Theodolite Eyepiece, Is A Measure Of The Horizontal Distance Between The Theodolite And The Staff—Usually 100 Times The Difference
- ADVANTAGES :- Internal Magnifying Optical System. Electronic Readings. Horizontal Circles Can Be Instantly Zeroed Or Set To Any Other Value. Horizontal Circle Readings Can Be Taken Either To The Left Or Right Of Zero.
- USES :- Measuring Horizontal And Vertical Angles, Locating Points On A Line, Finding The Difference In The Level, Prolonging Survey Lines, Ranging Curves, Setting Out Grades, Tachometric Surveying.
Aluminum Telescopic Alidade Survey & Level Theodolite Transit with Solid Wooden Box Antique Finish Nautical Collectible Item Union Survey Instruments
