Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 29
reach a deflection or come torest. They have such a positive zero that small fractions of a scale divi-sion can be estimated with certainty, and they are arranged so that theworking parts are easily accessible and suspensions, etc.. can be readilyreplaced. In both of these types of galvanometers,… … 2301. Portable DArsonval Galvanometer with Cali-brated Scale $20 00 This galvanometer is the same form as that used in our portable test-ing sets, but is mounted in a box with rubber top and two binding posts.The coil is circular in form, turns over an iron core, and is mounted uponjewels. It is…
