Reversion Level.* 



For lerelingr also with telescope 



reversed. 

 As made by C. I. Berger & Sons. 



If applied to any of our 

 Transits, size No. 1, or No. 2 



Tacliymeters. or 

 Price, extra, S15.OO 



NOTF. This level has a reversible tube which acts as a reflector, as well as a guard to protect Iron, 

 breakage the exposed side of the level when not in use. 



*The adjustment of this level and the horizontal cross-wire has to be made in the manner described tot 

 the fixed level attached to the transit telescope, see pages 48 and 54. 



Small Engineers' and Surveyors' Transit. 



Instrument of precision, recommended for all kinds of Land Surveying, Railroad Work, etc.., 

 where only a minute graduation is desired. 



No. 2. Plain Transit.* The essential features of this instrument are like 

 those enumerated tinder jY<>. 1, with the exception of sixe and weight. It is designed 

 to be used in cases where a lighter instrument is dcsir<il>lc. All the parts, the gradu- 

 ations, the telescope, etc., are made with as great care as in the larger instrument* 

 made by us. We can recommend it as being a very reliable and superior instru- 

 ment for railroad work, for general land surveying and for mining purposes. 



The dimensions are as follows : 



Horizontal limb 5 inches ; magnetic noodle 3% inches ; telescope 9 inches ; clear 

 aperture 1^ to 1# inch ; power 18 diameter. 



The mahogany case has a leather strap, hooks, etc. It contains a sun-shade, & 

 wrench, a screw driver, an adjustable plumb-bob, a magnifying glass, an adjusting 

 pin, and weighs 7 Ibs. 



Weight of instrument 10 Ibs.; weight of tripod from G^ to 7 Ibs. 



Gross weight of instrument, packed securely for shipment in 2 boxes, about 40 

 Ibs. 



Price, as above, with standards cloth-finished .... $18O.OO 

 Standards finished like instrument (no cloth finish) . . . extra 5.00 



Extras to Plain Transit. 



Spirit-level 5 5/2 inches, with clamp and tangent screw to telescope, 



Gradicnter attachment, 



Offsetting arrangement, 



Graduation of horizontal circle on solid silver, 



5 inch vertical arc. double verniers reading to minutes, . 



* *" * graduation on solid silver. .... 



5 " ' cii;ie dovble verniers reading to minutes. . 



5 u u k ' graduation on solid silver, .... 



Stadia Wires, fixed, 



Short Focus Lens (see pages 118, 100). One pair, 



Variation plate, 



Silk bat:, to protect the instrument in case of rain or dust, 

 Bottle of fine watch oil, to lubricate the center, etc., of transit, 



. $30.00 



5.00 



. 5.00 



10.00 



20.00 

 20.00 

 25.00 

 3.00 

 16.00 

 1AOO 



0.25 



objects inverted, will Kenerally pr 



+ S53&! The apenure win'then be ,* inch and the power diameter 



ment must be ma 



(ForCode Wor.ls for Plain Tran*it an<l f..r !:*! 

 C0mpl!t- <<(! :it li:i 



M *1>OV e6 



