Show I 1 III 16 11 1 jill ly III ill ill MY ig I 1 M I 1 ai VI the above cut shows an engineer 1 1 i 1 11 1 ill taking vertical angles at or near evol 5 th the e horizontal with PAT POCKET TRANSIT this is the most convenient accurate and reliable NO 0 PRECISION BALANCE pocket instrument made for 5 beam sensibility 1100 1 to 1 preliminary surveys the taking of the most accurate BUTTON BALANCE ever placed upon the topography etc over in use market all contacts of agate metal work gold plated extension throughout hout the world used bythe by the plate glass sub base perfect workmanship for U S geological survey for full full particulars send tor for catalogue A illustrating this and description of the instrument send other balances to tor for catalogue B to WM AINSWORTH SONS 9 MAKERS DENVER 0 E N V E COLORADO C C L U S ATHE A MINE SHELTER SrI ELTER SUPPLY CO salt lake city utah agents f CHAS BUTTERS CO limited f E S LEAVER manager V OR surgical lurg chemical ical laboratory and metal 44 of DOOLY BLOCK LAKE citer UTAH WE CARRY IN STOCK LATHES SHAPERS PLANERS DRILL PRESSES AND IRON WORKING MACHINERY OF ALL KINDS ZW loov TOOLS HP SUPPLIES THE SCOTT SUPPLY TOOL GO CO DENVER COLORADO |