Crystal Fire: The Invention of the Transistor and the Birth of the Information Age (Sloan Technology Series): Riordan, Michael, Hoddeson, Lillian: 9780393318517: Amazon.com: Books
Bridgold 20PCS BD139NPN BD140PNP (10PCS BD139 + 10PCS BD140) Single Transistor, General Purpose 80V 1.5A: Amazon.com: Industrial & Scientific
Bridgold 10pcs(5pcs 2SA1943+5pcs 2SC5200) PNP NPN High Power Matched Audio Transistor Silicon Precision,3-Pin.: Amazon.com: Industrial & Scientific
Transistor 2N3904 Bipolar (BJT) NPN General Purpose (Pack of 50): Transistor Pnp: Amazon.com: Industrial & Scientific
Bridgold 10pcs MJE3055T MJE3055 NPN Bipolar (BJT) Single Transistor,10 A/60V,is Designed for General Purpose of Amplifier andswitching Applications: Amazon.com: Industrial & Scientific