Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 6
THE LEEDS 4 NORTHROP CO.PHILADELPHIA. … FiK. S Fi^. 2 shows our method m coniu-ctinj^ these jjoints two at a timewith the use of a single plug. The circles in the diagram represent two rttws of ten brass blockseach. To the first two blocks at the top of the rows, the points 5 and i ofdiagram 3 are connected, to the second two tlie points…
