Old, cool, and interesting Stuff
- Thread starter stereofanboy
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Or a cruel master, I had Mr. Case.Yep, geometry can be a cruel mistress, sometimes.
Regards,
Gordon.
Makes sense to me. The farther you are (North south) from the equator, the longer the days during summer, and shorter during winter, so would expect the changes to change faster.
In addition, they change the slowest at the solstices, and fastest at the equinoxes. (I believe it is a sine function - trig invades geometry)
The Studebaker Factory, South Bend 1852-1963
That is absolutely correct. And it is definitely a sine wave. Here is the sun graph for my area (the shifts are for going into/coming out of Daylight Saving:
Not precisely a sine wave, because of the Earth's elliptical orbit.
Bobcat
Sound Hound
Brown field now with some new industry in there. Great pics. I used to do business with the last company to occupy one of the last Studebaker buildings standing there.The Studebaker Factory, South Bend 1852-1963
screenersam
aka Blind Sugar McGee
"A jacal in Brownsville, 1937. This was occupied by farm laborers. I have written about these remarkable structures in the past. Jacals may look primitive but a well-designed jacal is actually an ingenious structure, such that it's not unusual for their interiors to be 20 or even 25 degrees cooler than outside in the sun. When it's 100 degrees outside, 80 feels like paradise."
found on Traces of Texas Facebook page
found on Traces of Texas Facebook page
Erik Tracy
Everyone's happy when the wizard walks by
As Mr. Spock would say - "fascinating"
And, THAT is what real math and science do.
It may well be MORE important to disprove the things that are NOT so, than to find and prove the things that are so. It's not about ego, it's not about popularity- it's about TRUTH.
Regards,
Gordon.
Erik Tracy
Everyone's happy when the wizard walks by
Telecolor 3007
I love old stuff
I didn't thought that in 1960 you could automatically installed tubes (valves) sockets and some other components on a printed circuit board. High power tubes, like the audio ones don't usually make a good company with printed circuit board because of the heat, but still intresting.
Note at 15:00 the worker pounds his fist on the set to see if anything is intermittent. On the Zenith Electronics TV assembly line, this was done with a child's rubber ball on the end of a wooden handle, and the receiver was hit a couple of times on top and sides to test mechanical shocks in multiple axes. If there was any disturbance in the picture, the unit's inspection tag was checked next to "JWS " ("Jumps When Struck") and it was diverted for repair.
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Telecolor 3007
I love old stuff
Ha, I thought he put some technical control stamp. But he was checking for cold soldering. Oh, those cold solderings where the reason that sometimes electronic gear got kicked.
A sausage-dispensing vending machine in Berlin, Germany, (1954).
screenersam
aka Blind Sugar McGee
don't know if this was an actual station or just art, but I like it.
screenersam
aka Blind Sugar McGee
found this description
"In the 1920s, a coastal station was a telecommunications facility where radio operators used telegraphs and vacuum-tube radios to communicate with ships from the shore. They saved many lives because—among other duties—they received distress signals from ships in danger and broadcast storm warnings, in addition to handling various other forms of communication."
Erik Tracy
Everyone's happy when the wizard walks by
DesertRatt
All Bark, No Bite!
Probably overly romantic, but this is a beautiful illustration!