Electrical measuring instruments : grand prize Louisiana Purchase Exposition, St. Louis, 1904 (1904)
Leeds and Northrup Company · leaf 11
THE LEEDS ^t XOKTHRUP COMPANY Carey Foster Bridge For a very complete description of our Carey Foster Bridge,directions for using it and general discussion of the Carey Fostermethod see our circular No. 9, The Carey Foster Bridge. … 4204. Carey Foster Bridge Complete witli stt of 3 brifli^e wire^ratio coils. $150 00 sluints for them aiul 4 sets of 4214. Heavy Bar $5 00 Ot resistance metal of low temperature co-efficient; resistance deter-mined and marked on it. To be used in the measurement of very low-resistances. The bridge…
