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A Giant Erector Set
Lens: HD DA55-300mm PLM Camera: K-3II Photo Location: Sydney, NSW ISO: 100 Shutter Speed: 1/200s Aperture: F9 
Posted By: ToddK, 07-14-2021, 02:21 PM

Another close-up view of the structural arch of the Sydney Harbor Bridge. It would be interesting to find out how many pages of structural calculations were needed for this bridge. And to think they had to do it the old fashioned way...

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07-14-2021, 02:47 PM   #2
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Statics 101, circa 1966.
07-14-2021, 02:54 PM - 1 Like   #3
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QuoteOriginally posted by Kiddo70 Quote
Statics 101, circa 1966.
You beat me. I took it in 1980. I think I had a Texas Instruments TI53, or something like that, to help me out.
07-15-2021, 12:47 AM   #4
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Nice detail of the structure, good job

07-15-2021, 04:14 AM   #5
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This frame is much more interesting than those that are currently participating in the competition.
07-15-2021, 05:07 AM   #6
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QuoteOriginally posted by othar Quote
Nice detail of the structure, good job
Thanks Patrick!
QuoteOriginally posted by Fdooch Quote
This frame is much more interesting than those that are currently participating in the competition.
Thank you! I haven't looked at the competition images yet.
07-15-2021, 11:49 AM   #7
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QuoteOriginally posted by Kiddo70 Quote
Statics 101, circa 1966.
A slide rule is surprisingly quick to use once you get used to it!

07-16-2021, 12:14 PM   #8
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QuoteOriginally posted by StiffLegged Quote
A slide rule is surprisingly quick to use once you get used to it!
I just missed that era in school!
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