This Ebay item is vintage equipment by the General Radio Company of Concord Massachusetts. IT is a General Radio Company Unit Oscillator Type 1209-C as pictured. On the top it is marked 250-960 Megacycles.
This item only ships within the USA - No International shipping 2.0" Ferrite Toroid 51mm Qty: 1 Permeability = 2500, B(sat) = 500 mT NOS Arnold Engineering OD: 2.0" (51mm) ID: 1.250" (32mm) Height:
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