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August '12
This page describes work accomplished on the new TMRC layout during the month of August 2012, as taken from the descriptions posted to the club mailing list.
August 8

John M continues to work on a new crossing signal for the Activities Midway. He's making it about 50% of the size of the old one, so here measurements are being made.
Parts of the new unit on the bench.
The new unit's lamps assembled, now waiting for backgrounds and sunshades.
John P worked on wiring for the helix. This cable has been unfinished for about 7 years!
New purchases. The micro switches may be used in conjunction with the servos seen in the July 18 report, and the aluminum channel sections are for more lighting strips as seen on April 25 and May 9.


August 15

John M has made up new publicity brochures for the club, and here he's placing them into the holder which he installed a few weeks ago.
The brochures--they're glossy!
John P installed new brighter LCD units in most of the cabs--keeping the dimmer green display in one cab for sentimental reasons.
He also placed LEDs on two of the metal bars featured here last week. We have new switching current regulators which can drive 8 LEDs in series, so 2 bars are used together. The third bar attached to this board is the one shown on April 25 and May 9.



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Tech Model Railroad Club of MIT
MIT Room N52-118
265 Massachusetts Avenue
Cambridge, MA 02139

+1 617 253-3269
x3-3269 (on campus)
Email: tmrc-web@mit.edu
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