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Phones - Kellogg Masterphone 900 A 1933 |  |
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Phones Kellogg Masterphone 900 A, 1933 Often called the "Pyramid".  The ringer box that came with it. 
The Michigan Vintage Electronics Club has a
"garage sale" event during Plymouth, MI's Old Village Yard and Trunk Sale, April 26 8am-3pm. Located on Mill St near the RR tracks.
The next Vintage Electronics Expo will be on Saturday, October 4, 2025, 9 am to 3 pm in partnership with The Kalamazoo Hamfest. at the Kalamazoo County Expo Center, 2900 Lake St., Kalamazoo, MI 
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