Unique log log slide rule ?

[spyder553]

i had this rule passed down and i want to know what it is used for in my opinion i think its a type of scale rule but i am not sure
it got with sections and the middle slides on the left it says "UNIQUE log log slide rule and on the right it says made in england



many thanks

 

[Benchwayze]

Spyder,

Is it anything like this?

http://www.computernostalgia.net/articles/sliderule.htm

Regards John

 

[MickCheese]

Here are some instruction

http://en.wikipedia.org/wiki/Slide_

I am old enough to remember being taught how to use one when at school but remember none of the details now.

Mick

 

[spyder553]

http://sliderulemuseum.com/British/S126 ... LogLog.jpg it is like this

 

[MickCheese]

Just use a calculator, much easier on the eyesight!

Mick

 

[spyder553]

so its just a caluclator ,analogue ?

 

[jimi43]

Slide rules fall under those tools which can be categorised as totally confusing until the "Eureka" moment, after which they are really fantastic machines. Most of Apollo relied on engineers with slide rules being masters of their instruments!

I have two or three knocking about and need to read up on the use again...but I love the way they work their magic...rather like the abacus of science!

Jim

 

[spyder553]

so correct me if i am wrong its just like an analogue caluclator ? and thanks for all your posts

 

[jimi43]

Simply put...yes.

 

[Benchwayze]

As far as I know Spyder, that's it.

There was the abacus, (Still in use in some countries) then came the slide-rule, then came the calculator, (The scientific calculator).

I could be wrong though and there might be other things in between. I never learned to use slide rule. Only just mastered the calculator.


Regards
John

 

[Harbo]

I used slide rules for many years until calculators became affordable on the early 70's.
They were quick but not that accurate - accurate for a lot of things but for really accurate calculations 5, 7 and sometimes 12 figure logs were used. We also used to have some mechanical wind up machines and some using early digital numbers.
At University in the early 60's we had an Anologue Computer - set up using wires like a switchboard.

Rod

 

[dickm]

OK, while we are in nostalgia mode, does anyone remember the tubular slide-rules that were supposed to be super-accurate? Never used one (they weren't much help for statistics), but the scale spiralled round an inner tube, so you got an effective scale length of many feet.

For statistics, the Diehl and Facit mechanical calculators were a godsend. I learned to touch-type on a Facit back in the 60s, when computers still had rooms to themselves and ate paper tape or cards.

 

[Henry Disston]

I'm old enough to have used the flat ones. Trigonometry in school would have been horrible without one. The normal sized ones were accurate to only 3 significant digits. One classroom at my high school had one 6 or 8 feet long on a wall but it was a single face. Still it was handy for a lot of calculations.
I was not one of the geeks who wore 30" long slide rule in a leather scabbard like a sword and competed in duals.

 

[CHJ]

I still have my slide rules, must admit it is something nearing 50yrs since they were used in anger and I think a few hours of study of the instructions might be needed before I could do anything of any use with them or the log tables sculking somewhere in the same cabinet.

 

[spyder553]

thanks for your input people

 

[bugbear]

OK, while we are in nostalgia mode, does anyone remember the tubular slide-rules that were supposed to be super-accurate?

You mean the Fuller/Stanley ones ? (no - no that Stanley - another one!)

BugBear

 

[Benchwayze]

if this is what you mean BB,

http://cgi.ebay.co.uk/Vintage-Stanley-B ... 1c1b216a2c

That's not a slide rule, because it doesn't make calculations. It's a parallel-rolling rule, made to roll across a chart, so navigators can rule parallel lines on their charts, when plotting at the chart table. It probably has use in a woodwork shop if you draw out lots of plans by hand. A nice item in fact.

http://www.hpmuseum.org/srcyl.htm

might be similar to the rule you refer to BB.

HTH

John

 

[bugbear]

if this is what you mean BB,

http://cgi.ebay.co.uk/Vintage-Stanley-B ... 1c1b216a2c

That's not a slide rule, because it doesn't make calculations. It's a parallel-rolling rule, made to roll across a chart, so navigators can rule parallel lines on their charts, when plotting at the chart table. It probably has use in a woodwork shop if you draw out lots of plans by hand. A nice item in fact.

http://www.hpmuseum.org/srcyl.htm

might be similar to the rule you refer to BB.

HTH

John

Yes. When dickm referred to a kind of "slide rule", I did indeed mean a "slide rule", and not something else :roll:

BugBear

 

[Benchwayze]

if this is what you mean BB,

http://cgi.ebay.co.uk/Vintage-Stanley-B ... 1c1b216a2c

That's not a slide rule, because it doesn't make calculations. It's a parallel-rolling rule, made to roll across a chart, so navigators can rule parallel lines on their charts, when plotting at the chart table. It probably has use in a woodwork shop if you draw out lots of plans by hand. A nice item in fact.

http://www.hpmuseum.org/srcyl.htm

might be similar to the rule you refer to BB.

HTH

John

Yes. When dickm referred to a kind of "slide rule", I did indeed mean a "slide rule", and not something else :roll:

BugBear

Only trying to help BB! Sorry :?

 

[dickm]

http://www.hpmuseum.org/srcyl.htm

might be similar to the rule you refer to BB.

Thanks for the memory jog - the one I was thinking of was the Otis King shown on that page.

Heck, this makes me feel old.....................