1VO. 1 f. 



As made by C. L. Berger & Son 



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Tachyineter. 



With three Leveling Screws and Shifting 

 No. 1 f , as in cut. Graduation of horizontal circle on solid silver, opposite ver- 

 niers reading to 20"; graduation of 6 inch vertical arc on Solid .silver, verniers reading 

 to minutes; glass shades over vendors ; detachable reading glasses for horizontal 

 circle; ll.'.-in.-U idrscopo showing objects inverted, p\\.-r '27 diamH.Ts ; (1-inch spirit 

 level parallel to telescope ; 3i inch striding level ; giadienter attachment ; ii\ed stadia 

 wires, etc. Standards cloth finished. Jri<'<>, as above, $322. OO 



For size and particulars of this instrument, as well as for Kxtras see pages 142-145. 



Code AVonl. 



