Description: These Cast Crystals Have a Threaded insert. This is a significant advantage for the Do It Yourselfer that is constructing their own Crystal Radio Detector stand since you only need a screw to secure it to the base of your stand instead any metal clips. While these have a threaded insert, the threaded insert is not needed for many of the older style Philmore Stands and just doesn't need to be used.Carborundum For Philmore or Whisker Detector Crystals Are Here and now with a Threaded InsertGenuine Carborundum High Grade Carborundum Semiconductor Crystal Radio Crystal Radio Diode CastPerfect for a Replacement or DIY DetectorCarborundum requires high force whisker or point probe contact and may also need a battery bias. Crystal has a 3mm Threaded Brass Insert For MountingThe Brass Insert is Molded into the Alloy during the manufacturing processSee the Crystal Detector construction Cross Section Image in the picture Gallery The actual crystal shape you receive may vary slightly from pictureCrystal Has Been Electrically TestedCrystal Mineral Size and Shape may vary from PhotoCrystal Has Been Electrically Tested with a WhiskerCarborundum Crystal Radio Crystal Radio Diode Cast in Low temp alloy. Universal Size Suitable to fit Philmore or Most Older and Newer DetectorsCasting alloy is made from Lead ,Tin and Bismuth-(NO Cadmium) and Freshly Cast Carborundum has excellent electrical characteristics suitable for use as a detector in Crystal Radios. Carborundum requires high force whisker or point probe contact and may also need a battery bias. (See Photo in Gallery for typical Circuit) 1 piece Crystal Carborundum DetectorCrystal Size 13mm Diameter and Approx.. 9mm-11mm TallCasting alloy is made from Lead, Tin and Bismuth-(NO Cadmium) I can cast custom crystals in any virtually any size and the mineral of your choiceJust send me an eBay message and I can create a new listing of your choice in size and mineral
Price: 12.5 USD
Location: Dakota, Illinois
End Time: 2024-12-27T02:53:31.000Z
Shipping Cost: 7.6 USD
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Item Specifics
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
