Show I 1 1 q III ii aw 25 5 NO 0 PRECISION BALANCE 5 beam sensibility 1100 1 to 1500 1 milligramme Milli gramme the most accurate BUTTON BALANCE ever placed upon the market all contacts of agate metal work gold plated extension plate glass sub base perfect workmanship for full particulars send for catalogue A illustrating abing this and other balances to 6 J go the above cut shows an engineer engl taking vertical angles at or near the horizontal with PAT POCKET TRANSIT this Is the most convenient accurate and reliable pocket instrument made for preliminary surveys the taking of topography etc over in use throughout the world used by the S geological survey for full description of the instrument send for catalogue B to WM WIVI AINSWORTH SONS 1 MAKERS DENVER COL COLORADO CRADO U S ATHE MINE SrI ELTER SUPPLY CO salt lake city utah agents please mention the mining minina review when writing tino advertisers |