DATAMATH CALCULATOR MUSEUM
Teal Photon calculator
February 1978 by Teal Industries, Inc. in Japan.
|The two printed circuit boards
(PCB's) of the Teal Photon with the
solar cells (upper PCB) and calculator chip/ LC-display.
T3603 single-chip calculator circuit
hides under the yellow LC-Display.
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© Joerg Woerner, February 15, 2011. No reprints without written permission.