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This is a set of four transistors: an RCA 2N301, a Motorola 2N1540, a 2N427 -probably Motorola, and a fourth with no markings still discernible. These were acquired from the estate of a former HP Engineer who had worked on the early HP Computer and Calculator development. They are likely from Computer or Calculator projects. These have light overall wear-some smudging to the tops-the leads are pretty short on the 2N1540-not sure if that is original. (Transistor set 2N1540 2N627 2N301 rca motorola vtg was posted and is owned by: Lucy Rosario) |
L_rosario@chicagopartsnetwork.com (Lucy Rosario) for more information.