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(Network World)   Your father's old computer: 10 cool analog computers   (networkworld.com) divider line 20
    More: Cool, analog computers, industrial application  
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2568 clicks; posted to Geek » on 26 Jun 2013 at 9:40 AM (1 year ago)   |  Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



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2013-06-26 09:45:21 AM  
Analog computers are cool.
 
2013-06-26 09:56:08 AM  
Sometimes I wonder if the ancients created The Antikythera Mechanism for the sole purpose of freaking out archaeologists.

If this is the case, they sure did a bang-up job.

If the internet has taught us anything it is that the design industry is lead by pioneers in pornography.  Therefore I also posit that The Antikythera Mechanism may be a complicated autoerotic pleasuring mechanism, something along the lines of the world's first modified orbital sander.
 
2013-06-26 10:07:00 AM  
My dad's old comps didn't look like that. They were Tandy's.
 
2013-06-26 10:14:17 AM  
We had a pair of analog computers (basically breadboards with modules for integration, multiplication, etc. hooked up to a pen plotter) we used in undergrad process control to solve differential equations (about 1975).  They were neat and worked beautifully!
 
2013-06-26 10:30:09 AM  
Heathkit even sold an analog computer kit (long before the H8, H11, and H89 systems).
 
2013-06-26 10:31:13 AM  
Need a trend line for scattered data points? Mark X and Y axes on a board and plot the points. Drive brads into the plotted points. Put a small rubber band around each of the brads. Thread a dowel or skewer through the successive rubber bands. Ta-DA! Trend line.

Real low-tech. Not really practical, but hey! Hammer and nails!
 
2013-06-26 10:36:22 AM  
The first slide is a standard 1970's digital IBM mainframe.  Not sure what it's doing with the rest.
 
2013-06-26 10:50:25 AM  

brap: Sometimes I wonder if the ancients created The Antikythera Mechanism for the sole purpose of freaking out archaeologists.

If this is the case, they sure did a bang-up job.

If the internet has taught us anything it is that the design industry is lead by pioneers in pornography.  Therefore I also posit that The Antikythera Mechanism may be a complicated autoerotic pleasuring mechanism, something along the lines of the world's first modified orbital sander.


That and the war industry. Either this is a Fleshlight or a nuke.

Seriously though, building an Antikythera out of Legos is cool, and actually explaining how the gearbox worked in the video was even cooler.
 
2013-06-26 11:00:20 AM  
Great example of analog computer porn buried in the slideshow:

s7.computerhistory.org

You can almost see her knees.....
 
2013-06-26 11:01:30 AM  
That WWII Ford fire control computer and the links to the ship's guns is astoundingly complex.

Wikipedia - "the Mark 1 automatically computed the lead angles to the future position of the target at the end of the projectile's time of flight, adding in corrections for gravity, relative wind, the magnus effect of the spinning projectile, and parallax, the latter compensation necessary because the guns themselves were widely displaced along the length of the ship. Lead angles and corrections were added to the LOS data to generate the line-of-fire (LOF) data. The LOF data, bearing and elevation, as well as the projectile's fuze time, was sent to the turrets by synchro motors, whose motion actuated hydraulic machinery to aim the guns. "
 
2013-06-26 11:06:00 AM  

Geotpf: The first slide is a standard 1970's digital IBM mainframe.  Not sure what it's doing with the rest.


Here's something from Wikipedia which may have misled a rushed/uninformed person.

"The System/7 was designed to address the needs of a specific market where there was a need to collect and react to input from analog devices (e.g. temperature sensors). This was a very limited market at the time. Specific commercial uses included factory control systems and air conditioning energy control systems."
 
2013-06-26 11:16:53 AM  
But what about THIS one?

www.macmeisters.com
 
2013-06-26 11:26:52 AM  

Larva Lump: Need a trend line for scattered data points? Mark X and Y axes on a board and plot the points. Drive brads into the plotted points. Put a small rubber band around each of the brads. Thread a dowel or skewer through the successive rubber bands. Ta-DA! Trend line.


Actually, that gives you the total least squares or orthogonal regression (which minimizes the sum of the squared errors in X and Y), not the standard linear regression (which minimizes the sum of the squared errors in Y alone).
 
2013-06-26 11:39:52 AM  

brap: If the internet has taught us anything it is that the design industry is lead by pioneers in pornography.


lh3.googleusercontent.com
 
2013-06-26 12:02:07 PM  

Majick Thise: But what about THIS one?

[www.macmeisters.com image 800x600]


Other than that someone shooped in a DECwriter and a TV set?
/can tell by the pixels
//and that a DECwriter was a lot newer than that thing
 
2013-06-26 12:11:55 PM  

Fubegra: Majick Thise: But what about THIS one?

[www.macmeisters.com image 800x600]

Other than that someone shooped in a DECwriter and a TV set?
/can tell by the pixels
//and that a DECwriter was a lot newer than that thing


static.giantbomb.com
 
2013-06-26 12:20:13 PM  
Thank you FatBear

Fubegra:
Other than that someone shooped in a DECwriter and a TV set?

Actually that shoop was done by a TFer named Lukket many years ago and has fooled many. It got passed around in an email forward and I think it made it onto a slideshow or two on other websites.

I like the steering wheel, myself. Supposedly the wheel and the 'thing' is an early nuclear sub control station
 
2013-06-26 12:55:28 PM  
*click click* "RETURN TO SLIDESHOW" *close*

An IBM and the Ford fire control system, meh.

/Hates slideshows.
//Just link to deslide
 
2013-06-26 01:26:24 PM  

Vaneshi: /Hates slideshows.
//Just link to deslide


Go ahead and provide the link.

/ Or just whine
 
2013-06-26 03:04:24 PM  

Fubegra: Majick Thise: But what about THIS one?

[www.macmeisters.com image 800x600]

Other than that someone shooped in a DECwriter and a TV set?
/can tell by the pixels
//and that a DECwriter was a lot newer than that thing


Its a submarine command control simulator....

the dual steering wheel controls pitch and yaw
 
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