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Re: T Square, drawing board [Re: HoosierTA] #2879816
01/25/21 12:14 PM
01/25/21 12:14 PM
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Minnesota
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You could donate it to a charitable, non-profit, thrift store.


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Re: T Square, drawing board [Re: ro23_j] #2879853
01/25/21 01:19 PM
01/25/21 01:19 PM
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north of coder
moparx Offline
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Originally Posted by ro23_j
The old draftsmen here will remember eraser shield, scum-x, pencil pointer, Good times. Jim




and what was that paper we drew on called, rice paper ? the super thin, kinda see through, kind of a yellowish white color........
beer

Re: T Square, drawing board [Re: moparx] #2879893
01/25/21 02:17 PM
01/25/21 02:17 PM
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Originally Posted by moparx

and what was that paper we drew on called, rice paper ? the super thin, kinda see through, kind of a yellowish white color........
beer


Sounds like you are talking about vellum

Re: T Square, drawing board [Re: Sniper] #2880010
01/25/21 04:29 PM
01/25/21 04:29 PM
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Originally Posted by Sniper
Originally Posted by moparx

and what was that paper we drew on called, rice paper ? the super thin, kinda see through, kind of a yellowish white color........
beer


Sounds like you are talking about vellum

Yep, vellum was what we used in 9th grade back in the 60's.

I used to have three drawing boards, t-squares and a big box of instruments, pencils, leads, erasers (no undo button back then:), triangles and templates. I think my wife burned my last board when we moved 16 months ago.

I think I might still have my slide rule. Some of you guys remember those. I had to rescue mine decades ago when I found it holding open a window at my mom's house. Lol. I hadn't used it since T.I. came out with scientific calculators. Probably the only thing I remember how to do with that "slip stick" is ahh, prop open a window.


In theory, there is no difference between theory and practice. In practice, there is.
Re: T Square, drawing board [Re: GomangoCuda] #2880017
01/25/21 04:47 PM
01/25/21 04:47 PM
Joined: Nov 2003
Posts: 10,228
Colleyville
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Originally Posted by GomangoCuda
Originally Posted by Sniper
Originally Posted by moparx

and what was that paper we drew on called, rice paper ? the super thin, kinda see through, kind of a yellowish white color........
beer


Sounds like you are talking about vellum

Yep, vellum was what we used in 9th grade back in the 60's.

I used to have three drawing boards, t-squares and a big box of instruments, pencils, leads, erasers (no undo button back then:), triangles and templates. I think my wife burned my last board when we moved 16 months ago.

I think I might still have my slide rule. Some of you guys remember those. I had to rescue mine decades ago when I found it holding open a window at my mom's house. Lol. I hadn't used it since T.I. came out with scientific calculators. Probably the only thing I remember how to do with that "slip stick" is ahh, prop open a window.


Me too, that TI SR-10 got me in a lot of trouble. .866025... is NOT the exact value of √3/2 laugh2

I don't know where that SR-10 has gotten off to, I know I didn't throw it out, I'm a pack-rat but a rank amateur next to the wife...

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Re: T Square, drawing board [Re: GomangoCuda] #2880037
01/25/21 05:43 PM
01/25/21 05:43 PM
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Slightly off Topic funny story about drafting paper.


For about 25 years of my 37 years at General Motors I programed and operated Coordinate Measuring Machines (CMM). Everything from theodolites to laser trackers, portable articulating arms to big dual arm machines that measured a whole car. At the back of our CMM room we had a small maybe 10' X10' room that had our cad computers and plotter. The plotter back then (around 1988 or so) was a huge dynosaur of an electrostatic printer that plotted on 5 ft wide paper that loaded into the machine as a large roll thousands of feet long. It takes 2 people to load the roll into the machine. This plotter was networked to our 3 Sun workstations. One morning I came in and when i went back to that room I literally could not see anything through the window in the door. The entire contents of the roll of paper was all balled up and filled the entire room. After we finished laughing our butts off and got the biggest paper wad in the world cleared out of the room we called EDS and had them come down to figure out what the heck happened. Here is what they learned from checking a network log. There were 2 of these plotters in the plant. There was another identical plotter and Sun workstation in the front office for the use of the engineers. An engineer had come in on a weekend to plot multiple copies of a large set of drawings. He did it on the weekend because he knew it was going to take a long time to plot and didn't want to tie up their only big plotter during regular hours. He brought it all up on their workstation and sent it to the plotter. Nothing happened so he sent it again and again and who knows how many times he must of hit the send to plotter button and still nothing happened. He must have been very frustrated at coming in on a weekend and getting nothing accomplished. You probably guessed by now that he sent it to our plotter instead of theirs.

Last edited by GomangoCuda; 01/25/21 05:59 PM.

In theory, there is no difference between theory and practice. In practice, there is.
Re: T Square, drawing board [Re: moparx] #2880067
01/25/21 06:45 PM
01/25/21 06:45 PM
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Maryland
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We called it onion skin.

Re: T Square, drawing board [Re: 3hundred] #2880074
01/25/21 06:53 PM
01/25/21 06:53 PM
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Maryland
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I still have my Texas Instruments SR-50, circa 1974, $149.95. The company offered us to buy one and we could pay it back by payroll deduction. I had a slide rule but was using Smoley's Combined Tables book at the time and declined the offer.

I bought one later and still have the Smoley's. It's just another book that no one wants.

Re: T Square, drawing board [Re: GomangoCuda] #2880081
01/25/21 07:02 PM
01/25/21 07:02 PM
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Maryland
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Your post reminded me of making copies before CAD and plotters. If you wanted to copy a large format drawing, you used a print machine with gallon of bubbling ammonia! Today, the entire room would be considered an bio-hazard area and you would need a respirator.

Re: T Square, drawing board [Re: ro23_j] #2880145
01/25/21 09:06 PM
01/25/21 09:06 PM
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Round Lake Beach, Illinoisy
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Originally Posted by ro23_j
Your post reminded me of making copies before CAD and plotters. If you wanted to copy a large format drawing, you used a print machine with gallon of bubbling ammonia! Today, the entire room would be considered an bio-hazard area and you would need a respirator.


Oh yeah, I was around for the bubbling ammonia vats! We also had many plotters and used the heck out of them until the late 90's when thing changed quickly... frown


The funny thing about science is that if you change one miniscule parameter you change the entire outcome to the way you want it.

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Re: T Square, drawing board [Re: ro23_j] #2880232
01/25/21 11:31 PM
01/25/21 11:31 PM
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Rochester NY
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Originally Posted by ro23_j
Your post reminded me of making copies before CAD and plotters. If you wanted to copy a large format drawing, you used a print machine with gallon of bubbling ammonia! Today, the entire room would be considered an bio-hazard area and you would need a respirator.


We still have one of those in the office. Used occasionally for making blue-line prints of old maps in storage. Speaking of old office equipment, the boss picked up one of these when they were brand new. If you like mechanical wizardry, the Curta Calculator was impressive!

Curta.jpg
Re: T Square, drawing board [Re: Rhinodart] #2880281
01/26/21 08:05 AM
01/26/21 08:05 AM
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USA
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We flew the first airplanes, built the first atomic reactor, and went to the moon with paper, pencil, and slide rules.

Almost all of the first “drafting and mapping” was related to ancient mining.
The first “railroads” were built inside mines so that women and children could push ore carts and leave the men to dig.

President Herbert Hoover
aka “The Doctor for Sick Mines” in China and Australia,
felt so strongly about this that he personally translated the 450 year old book “De Re Metallica” from Latin to English in his spare time for relaxation.

I think kids should be taught a semester of mechanical drafting to “improve their 3D thinking.“
I think kids should be taught “long hand” cursive writing and sentence structure to improve their speaking skills like Winston Churchill was given 3 times (he flunked it twice).
I think kids should get a one hour class on how a 3 foot in diameter “circular slide rule” works like I was given in PSSC Chemistry in 1970. The teacher then gave each of the students a 3 inch plastic circular slide rule he paid for out of his own pocket.
In 1974 a beloved engineering professor Audrey Palmer had an eight foot long straight slide rule on the side wall of the classroom and would walk over and patiently slide out calculations.

We are dinosaurs.

Re: T Square, drawing board [Re: 360view] #2880286
01/26/21 08:16 AM
01/26/21 08:16 AM
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home of the Buckeyes
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We had a full room ammonia print machine...I still remember the day the adjustment knob came off spraying it out into the room! Remember the old Calcomp pen plotters that took 2 hours to create one sheet too. Now the kids coming out of school think that if they know BIM (revit) they automatically know archtecture


addict:to devote or surrender (oneself) to something habitually or obsessively ....hmmmm
Re: T Square, drawing board [Re: ro23_j] #2880441
01/26/21 03:00 PM
01/26/21 03:00 PM
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north of coder
moparx Offline
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Originally Posted by ro23_j
We called it onion skin.



that was the term i remember now, thank you !
although vellum was probably the correct name.
beer

Re: T Square, drawing board [Re: moparx] #2880537
01/26/21 05:50 PM
01/26/21 05:50 PM
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Maryland
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Onion skin was thinner, yellowish and more transparent than vellum, so you could tape a piece over top of a drawing and create an alternative layout, or study, without revising the original drawing.

When we started using CAD, I remember one of the old timers taping a piece of it over the CAD monitor so he could make a sketch and explain what he wanted me to change. I laughed then, but now I am the one who can't keep up with technology.

Re: T Square, drawing board [Re: ro23_j] #2880629
01/26/21 08:28 PM
01/26/21 08:28 PM
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I used to be in charge of the drawing storage at our company. We had about 7 decades of drawings stashed away in several dozen cabinets and a whole wall of a building full of tubes from floor to ceiling. I don't know which was worse- trying to roll old drawings tight enough to get into the tubes or opening up a cabinet and having a bunch of drawings fall down into it. The vellum drawings were dirty and stunk but at least they didn't get worn out and tear like old paper. PDFs changed all that.

Re: T Square, drawing board [Re: 5thAve] #2880772
01/27/21 08:09 AM
01/27/21 08:09 AM
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Being we're talking about the old way of drawings. How many people remember working to Brown Line Drawings??

Re: T Square, drawing board [Re: maximus] #2880781
01/27/21 08:34 AM
01/27/21 08:34 AM
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Colleyville
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Originally Posted by maximus
Being we're talking about the old way of drawings. How many people remember working to Brown Line Drawings??


Not me, I thought we went from blueprint to blueline? One place I worked had a Bruning machine, didn't use ammonia, used some sort of fairly viscous "developer".

Early blueprint machine:



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