Locking Wire Bulb Guard With Key SOLD

Here is a nice locking wire bulb guard with it's original key. This guard was made for standard size socket. It is Marked FLEXCO Patent Date 08-22-1916 The patent was applied for August 6, 1912 and likely being sold at this time marked Patent Applied For. This guard was Invented by OTTO JOHNSON, of Lagrange Illinois and assigned to the Flexible Steel Lacing Co. of Chicago. You can

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