CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



483 



Ko. 13208. 



No. 13216. 



13206. LEVEL, Simple Tonn, consisting of a metal level, a pair of level sights and a stand for sup- 

 porting the level upon a flat surface or on the end of a stake or crow bar. By its use one 

 can readily determine levels from a given point to one at a distance, such as locating or 

 setting the profiles for foundation work, ascertaining the proper grades for drains, ditches, 

 etc. All parts of the stand are of metal, nickel-plated. The level is of metal, nickel-plated 

 and japanned, and provided with a 3% inch horizontal spirit level and two 1^ inch vertical 

 spirit levels. The sights are adjustable and clamp to the top of the level by set screws. 

 One sight is provided with a peep hole and the other with a horizontal cross wire. Com- 

 plete as described, without stake or support $4.50 



13208. LEVEL, Bostrom's Improved, provided with telescope which has a magnifying power of eight 

 diameters which enables the cross on the target to be read at a distance of one-quarter of a 

 mile in any direction. A circle graduated in degrees is provided for obtaining angles, squar- 

 ing up buildings, and all such work. Included in the outfit is a sliding target rod, graduated 

 in feet, inches, and quarter inches, telescoping to five feet when closed and to nine and one- 

 half feet when extended, and having a sliding target of the usual form with thtfmb-screw 

 for securing in any position. The metal parts are of iron and brass, and the wood parts, in- 

 cluding the target, are of pine. Complete in neat wood box with tripod, sliding target rod. 

 target and plumb bob 18.00 



13210. LEVEL, Bostrom's Improved, similar to No. 13208, but more substantial and of finer finish. 

 The telescope has a magnifying power of twelve diameters so that the instrument has a much 

 greater range. All wood parts are of hardwood and all metal parts of brass except the tar- 

 get. Complete in neat wood box with tripod, sliding target rod, target and plumb bob 30.00 



13216. QUADRANT, for measuring altitudes. A sector 6 inches in diameter, graduated from 0-90 

 in single degree divisions, mounted on polished wood base, with indicator and sight attach- 

 ment. A level is mounted on the base so that it may be adjusted to a true horizontal posi- 

 tion ... 2.50 



