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Author Topic: Umbrellas  (Read 361 times)

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Offline The Barbarian

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Umbrellas
« on: Sat Feb 03, 2018 - 23:39:34 »

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Umbrellas
« on: Sat Feb 03, 2018 - 23:39:34 »

Online Ginger Rella

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Re: Umbrellas
« Reply #1 on: Sun Feb 04, 2018 - 08:10:10 »
Lovely,

Reminds me of the the ceiling treatment over a staircase leading down to a restaurant at the Wynn Hotel in Vegas.


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Re: Umbrellas
« Reply #1 on: Sun Feb 04, 2018 - 08:10:10 »

Offline mommydi

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Re: Umbrellas
« Reply #2 on: Sun Feb 04, 2018 - 09:43:05 »
I love the umbrella photo, Barbarian. I have a small collection of vintage umbrellas and parasols.

Here's one of them-




About a million years ago, I was in my school's girl choir. During one of our performances, we all held and twirled umbrellas as we sang this song-

https://www.youtube.com/watch?v=mcmaqoCCxmI 





Offline mommydi

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Re: Umbrellas
« Reply #3 on: Sun Feb 04, 2018 - 17:17:03 »
I'm posting this beautiful photo for Rella!


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Re: Umbrellas
« Reply #3 on: Sun Feb 04, 2018 - 17:17:03 »

Offline The Barbarian

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Re: Umbrellas
« Reply #4 on: Wed Feb 07, 2018 - 12:40:01 »
Quote
I love the umbrella photo, Barbarian. I have a small collection of vintage umbrellas and parasols.

Here's one of them-

That's an interesting hobby.  Are there many people who collect umbrellas?    I've been told that 50 years ago, umbrellas were much more sturdy than modern ones.   

My weaknesses are old cameras, slide rules, and small frog or toad figurines.

It always amazes students (and now most of the math teachers) when I point out that slide rules were the way we figured out how to go to the moon.   For about 350 years, slide rules ruled.  Then with the advent of pocket calculators, they ceased to be used almost overnight.


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Re: Umbrellas
« Reply #4 on: Wed Feb 07, 2018 - 12:40:01 »



Offline Jaime

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Re: Umbrellas
« Reply #5 on: Wed Feb 07, 2018 - 13:00:18 »
Slide Rules always amazed me. I had one as a young engineering student in college and made out pretty well until one Thermodynamics final. I burned up the slide rule and didn't finish the test. I noticed a few kids had calculators. One or two had HP 45s that had trig functions and such. I succumbed and bought a little 4 function calculator for about $150 dollars. It sufficed, but was always envious of the "rich kids" that had the HP 45s. They went for about $450 back then. Now 4 function calculators are give aways at some banks or used as advertising gifts.

The I Phone I carry would have been slicker'n a gut back then, as they say.

Offline The Barbarian

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Re: Umbrellas
« Reply #6 on: Wed Feb 07, 2018 - 13:26:55 »
A hundred years from now, those slide rules will still work.   My phone?.... I dunno.   Late in my college career, I picked up a little TI four-function w square root for about the same price you paid.  It was amazing.    The best all-around calculator for me was the HP 22S:


Extremely solid and well-built.   My phone does more now, except of course that it's not programmable as the 22S is.  Used ones go for about twice the original price on Ebay.




« Last Edit: Wed Feb 07, 2018 - 13:35:50 by The Barbarian »

Offline Jaime

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Re: Umbrellas
« Reply #7 on: Wed Feb 07, 2018 - 13:45:11 »
I love the reverse Polish notation (RPN) of a lot HP calculators. I have had an HP 12C financial calculator for years and I find it almost impossible to go back to other calculators with an equal sign. To do calculations on the 12c, for instance multiply 45x72, you push 45 ENTER, then 72 X. I can barely balance my checkbook without it. Great for chain calculations and also it has handy functions for net present value and future value etc. some of the millenials I work with will pick it up and look at me with a blank stare. I guess I could really dazzle ‘em with a slide rule!
« Last Edit: Wed Feb 07, 2018 - 13:50:00 by Jaime »

Offline The Barbarian

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Re: Umbrellas
« Reply #8 on: Wed Feb 07, 2018 - 17:11:36 »
I never became proficient with RPN.  I realize that it's more efficient to use, but just never got used to it.   Mostly because I used TI calculators most of my career. 

I still like to play with my slide rules.  Over the years, I've collected a few dozen of them.  It blows away math teachers when I show them that fractional exponents can be done rapidly on a slide rule.