Some External Web Sites.
For your reference, the following are some interesting or useful
external links: Only a few of these load fast at "dial up" speed.
Such as: the trip report on Fadal and HAAS by Alan Frisbie,
and The "Cold War Warrior" by Maurice F. Crommie. We
can not currently find the "Cold War Warrior" on the
Internet.
As of 050130-1602 all of the following sources linked,
and many returned with the Internet Explorer BACK function, and
others by Microsoft RED X.
LTEK is a user of the Betatronics E232 Isolated High Baud Rate Ethernet to RS232 System.
http://www.ltekindustries.com/
Source of metals, plastic, etc. --- ASAP Source has precut
stock and specials. Under their search you need to try entities
such as 6061, 7075, 4140, bronze, brass, abs, acetal, pvc, acrylic,
uhmw, hdpe, polycarbonate, and acetal for Delrin, polycarbonate
for Lexan, acrylic for Plexiglas, etc.
http://www.asapsource.com/
CNC Advisor - Your source for CNC Products
http://www.cnc-advisor.com/
Source of office supplies.
http://www.office1000.com/
A source for a solution to virtually eliminate unscheduled downtime due to
cable failure. US Patent # 6,443,016. And a source for custom cables.
http://www.sinelli-systems.com/
Source of "form taps" good taps but web site hard to use.
http://www.osgtool.com/
Source of drills.
http://www.precisiontwistdrill.com/
A useful coolant --- Blasocut 2000 Universal Art 870.
http://www.blaser.com/
Thinbit
http://www.kaisertool.com/
Taps, etc. EMUGE has a large printed tap drill chart. I can
not find reference to this chart on the web site, but at
least the web site gives you contact information.
http://www.emuge.com/
An ASCII Alphabet table showing ASCII conversion to Decimal, Hexadecimal, Octal, and HTML
http://www.asciitable.com/
Discussion of a 1997 tour of HAAS and Fadal plants by Alan Frisbie.
http://www.yarchive.net/metal/cnc_tour.html
Frequently asked questions. Some useful parts are:
--- Ethernet pin assignments section 3.8 and 3.9.
--- Propagation delay section 3.11.
--- Physical layer section 3.1.
--- IEEE Specifications section 2.5.
http://www.faqs.org/faqs/LANs/ethernet-faq
Discussion on HUB, SWITCH, and ROUTER
http://www.ovislink.com/
then pick SWITCH/HUB or ROUTER
A switch source (for example EF3116)
http://www.linksys.com/
Another switch source (for example series 2950)
http://www.cisco.com/<br>
Leap year, several references. This was a big issue several years ago because
many computer algorithms for date were wrong.
One reference I found at that time was "The Handy Space Answer Book", see Calendar
p 256.
Some side bits --- Columbus discovered America in 1492 on October 12 (Ann Arbor
library reference section said that October 12 was in Columbus' log). This was
under the Julian calendar. From the Space Book p258 "By 1582, under the Julian
calendar, the beginning of spring" (vernal equinox) "had moved back to March 11
---".
The Gregorian calendar introduced a 10 day shift and eliminated leap years
on those centuries not evenly divisible by 400. Thus, 1600, 2000, 2400, etc.
are leap years, but not the intervening centuries.
Under the Julian calendar the autumnal (fall) equinox was approximately Sept.
13 or 14 in 1492. Thus, Columbus arrived about 28 days after the equinox. Someone
can research this and give me an exact value. So if we count days from the
equinox this year, then a more accurate date relative to the seasons would be
22 October for the date Columbus discovered America.
George Washington's birthday, 1732, brings up a different aspect. By the way,
how do you remember 1732, this is the square root of 3 and Washington's birth yesr.
From my high school physics teacher, Max Irland. Generally in the English world
the Gregorian calendar was not adopted until Sept. 3/14 1752 (Funk & Wagnalls
under calander). Washington was born Feb. 11, 1732 under the Julian calendar, and
Feb. 22 under the Gregorian Calendar. Some internet sites can be found from
( but site is not working 14 March 2004)
http://www.scienceworld.wolfram.com/astronomy/LeapYear.html
Note 1:
If a search engine brings you to this site and you do not know
why, then save this page to a file on your computer (under FILE
you would use SaveAs) and after saving, then open the file with
a word processor and search for the words individually that
you used in your search. For example if
the words --- drag torque --- bring up this
site and this page of this site, then you would first search for
drag or torque and look around those locations. You
can also try --- axle assembly ginkgo ---. Dial
up loading of the axle photos will take 5 minutes or longer
and the ginkgo tree pictures are at the end of these pictures. The
actual details might be on another one of our pages.
Pick If_search to return to beginning.
Copyright© 2003, 2004, 2005, 2006 Gordon A. Roberts
All rights reserved. 060728-1949