Clock.IT.tioga
Copyright Ó 1988 by Xerox Corporation. All rights reserved.
Christophe Cuenod March 21, 1988 12:59:58 pm PST
Christophe Cuenod
Xerox PARC
3333 Coyote Hill Road
Palo-Alto CA 94304
Phone: (415) 494 4415.
  Board Clock.wirewrap
Tape:
1600 BPI
1024 Bytes per block
8 files of respectively:
69  blocks
50  blocks
43  blocks
46  blocks
57  blocks
72  blocks
43  blocks
43  blocks
Format:
Gerber
ASCII
Absolute
Leading 0 omitted
Scale mili inches
5 digits no fractions
Size of the drawing around 14 by 15 inches
Apertures (All dimensions in mils):
aperture 1  standard    round 6
aperture 2  standard    round 25
aperture 3  standard    round 10
aperture 4  standard    round 60
aperture 5  thermalRelief round 43
  (31 int 43 ext  6 width of the fillets  4 fillets)
aperture 6  standard    round 43
aperture 7  standard    round 31
aperture 8  standard    round 65
aperture 9  thermalRelief round 75
  (60 int 75 ext  8 width of the fillets  4 fillets)
aperture 10 standard    square 65
aperture 11 thermalRelief square 75
  (60 int 75 ext  8 width of the fillets  4 fillets) 
aperture 12 standard    round 75
aperture 13 standard    square 75
aperture 14 donut     round 134 int 150 ext
aperture 15 standard    round 225
aperture 16 standard    round 85
aperture 17 standard    square 85
aperture 18 standard    round 31
aperture 19 standard    round 31
aperture 21 donut     round 84 int 100 ext
aperture 22 standard    square 36
aperture 23 standard    square 219
aperture 24 standard    round 250