Leeds & Northrup bridge, and Eico 221 VTVM

Here is a truly historical item — a LEEDS & NORTHRUP CO. Wheatstone bridge. It has Western Electric K.S.3011 designation.  The craftsmanship and build quality of this device is truly remarkable.  I cannot fathom how much money it would cost to build this same device today using identical components.  The unit consists of a large […]

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