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Si.
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Hi Reg. :wave:


Thanks for helping me to waste another good few hours on insane vintage 'research' ! ;)


However, I do now know pretty much everything there is to know, about the 100 year old Brown & Sharpe No.8 Micrometer, which I dug up from the ground while playing with diecast bulldozers when I was 10 years old !


Well, all these years later, nothing much has changed !

I'm still playing with diecast bulldozers...

...& still using the refurbished vintage Brown & Sharpe No.8 micrometer ! :shocked:





Brown & Sharpe Manufacturing Company Shops  1896  Providence, Rhode Island, U.S.A.


:moose:


More 'precision posting'  .  .  .  s  o  o  n


Si.

Si.
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Joseph R. Brown  1886  engraving



Looks like a precision engineered beard to me !

I guess the engraving process lends itself to fine beard detail.

Not sure what the Health & Safety guys would say about working on a drill-press with that these days though.

I'm surprised ZZ-Top didn't get theirs caught up in their spinning-guitars !! :shocked:

:cool:

Si.

Tony M
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Hi S1, that was a good find any change of seeing a pic of the Micrometre, did you ever restore it to working order, los like I have to put in a search what it is .
I found a Horse shoe, should o kecpted it, someone to throw it over my shoulder into a pond, hasn' given me any goog luck going back quite a few years back :)
Nice find in finding that floor plan what I need to find with my Sydney Central station building floor plan with measurements what I have other drawing to scale with measurements not the floor plan are you going to model that building big job.
How is the weather  like now in the UK starting to warm up.
Tony

Tony M
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Wow, done with a drill  press, these days they use Dremmel drills for that sort of art, would love to the how to that, have seen rain forest carved by a Dremmel dill.
Would that have been done on a brass sheet, taken ages to do that nice indeed.
Tony.





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I remember that in the company I once worked for, we had a chief mechanic who used to "re-calibrate" gap-gauges by putting them into a vise:bang:

P.S.
Before we all die unenlightened about the #8 - on ebay you can have a look at it.

@Si
Tell us what part of it you precision-hammered back into sha(r)pe, please.;)

Last edited on Wed Mar 1st, 2017 09:59 am by Helmut

Si.
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Hi Helmut :wave:


Do you always shop with GADGET GIRL on eBay ?

GADGET GIRLS prices look a tad high to me.

You could 'loose your shirt' gambling on a GADGET GIRL listing ! ;)


I suppose my $0.00c price-tag was hard to beat though !! :bg:





Sorry Helmut, no '5 Einsteins Award' :brill: :brill: :brill: :brill: :brill: for research this time ! :f:

There do seem to be TWO versions of the stalwart No.8 about.


GADGET GIRL has the mooodern one I think, with all the 'hoop-la'.

Mine I think is possibly an older version of the No.8 which is ratchetless. :shocked:

Perhaps I should have gone with GADGET GIRL after all, instead of scratching around in the dirt looking for precision equipment.

Analogue 'finger torque' is the answer here though, works every time ! ;)


Helmut, Tony, photos of the 'genuine article' to follow, or course.

I did have a spot of bother snapping it on the Motorola.

The lighting could have been better, it is very shinny from all the refurbishment !


:moose:


Si.


Helmut, I think it received a 'light blow' with the ol' ball-pein...

...or maybe Pops & I just twiddled the adjustment screw a smidgin. L:

A feature on the left of GADGET GIRLS eBay model.

It was 40 years ago though.

Mmm...

Helmut
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@Si
I referred to ebay only because it shows how the gauge looks like - no intention to fuss around with American girls:rah:!
I have several of these. Made by C.Mahr of Esslingen of course, 0.01mm pitch and all calibrated against a 25mm gauge-block. So not only the relative measurements, but the absolute ones are reliable also. BTW - do not hold it with bare hands for too long. It deviates by a few hundredths due to the hand's surface temperature with time.

Last edited on Wed Mar 1st, 2017 02:33 pm by Helmut

Si.
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Hi Helmut :wave:


Good idea having a couple of mics.

I guess as the first heats up to unacceptable inaccuracy in the palms, as one peruses the latest hot GADGET GIRL listings; swapping over to the still chilled reserve makes a lot of sense.


I've always found that my most used calibration tool in practical applications, was an ordinary pack of silver Zig-Zags !



Essential when allowing for all the backlash in a grumbling Colchester !

Works every time !

Top ticket !!


:moose:


Si.


Never did get my head around all that millimeter stuff. L:

Still buy eggs in boxes of a dozen as well. :cool:


And kilometers to go before we sleep  .  .  .

Helmut
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The paper method described by C. Traub in MR in the 60's -yes, that I recall vivdly and admit that I use it frequently. The paper I use is 0.1mm or ~4 thou. Slide it between bit and workpiece until it just starts to catch, and you know your datum. That ZigZag must be around one or two thou?
Speaking of eggs - when I grew up they only came per dozen or half of it. You could buy them by the 'Schock', too - that was 20 pcs. and stems from the same root as the Swedish word for it: 'Tjugo'. and  Chaucer's 'twentiń°'
Speaking of metrics - I do know the Brits don't like any foreign rulers.

Last edited on Wed Mar 1st, 2017 07:36 pm by Helmut

Si.
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" That Zig-Zag must be around one or two thou ?

Speaking of metrics - I do know the Brits don't like any foreign rulers."



Hi Helmut :wave:


A silver Zig-Zag is a certain 1/2000"

I was gonna try & work that out in fractions or decimals of a Meter ...

... but I know I will get the ZEROs wrong & be shamed FOR EVER !


Oh well ...

... the Zig-Zags are OK, unless you are working for N.A.S.A. :shocked:


I did want to check any 'cumulative error' though ...

... so I stacked up 1999 Zig-Zags on the kitchen table ...

... & had my 1" block at hand ...

... at which point, some $%&£@?* opened the kitchen door !! :f:


Wouldn't have happened at N.A.S.A. !


:moose:


Si.

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:P

Si.


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" are you going to model that building big job."


Hi Tony :wave:


I think in HO the size might be AT LEAST one ping-pong table ! ;)

In 1:35 it could take my entire back garden !! :shocked:





Brown & Sharpe, December 1940


The lady on the steps looks like she has a big fur collared coat on, must have been chilly !

Busy busy busy, outside the Brown & Sharpe offices.


:!:


Si.

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Brown & Sharpe 1907 Catalogue


:cool:


Si.

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Since my Browne & Sharpe was dug up out of the ground...

...you certainly couldn't describe it as M.I.B ! :shocked:

More like R.I.P in fact !!


It is quite possible though, that it was originally shipped, but not buried, in a wooden box...

...just like this one. :bg:





:!:


Si.

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:!:


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:!:


Si.

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A Brown & Sharpe No.8 in wooden box with decimals equivalents table.


:brill:


Si.

Salada
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Don't knock the Rizla/ZigZag measuring tool, I've remanufactured or repaired many parts of full size locos using that particular precision method and they are all still in revenue service !

If NASA had stuck to time honoured engineering practise they wouldn't have screwed up the optics on a $multi zillion space telescope.

Yup Si, that little 'mike' is the real thing. As Comrade Helmut undoudtedly knows, there is a proper way of zeroing and adjusting them but you need the correct tools. Don't hammer the bloody thing, it never did you any harm.

Due to a recent even more dramatic event I have had to give up all railway modelling for now but still look in on FR in a spare minute, I couldn't resist this thread !

Regards,    Michael




Si.
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Hi Michael or 'mike' :wave: ;)


Couldn't agree more ol' bean !


The Zig-Zag man is your friend ... No 'pirate' jobs when the Zig-Zags are at hand !! ;)


Come on dude ... a lil' tap with the ol' ball-pein, never hurt a stalwart like the B.S. No.8 :shocked:


It's as 'dead on' as you'll ever need it anyways.


I'll leave the "proper way of zeroing and adjusting" to all the 'rich kids' out there ! :cool:


:moose:


Si.


Look in more often Michael, we miss you, you are always a RIVETING READ ! :brill:

Reg H
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You are welcome, Si.  Always glad to keep folks away from the telly.

The kitchen remodel has really messed up hobby plans.  I am very anxious to get started on the shop rehab.  I am really looking forward to playing with the Atlas 618 (branded Craftsman, but it is an Atlas) lathe I have just acquired. 

I really wanted the Myford 7, but everybody selling one (very few) wanted three prices and almost all were located on your side of the pond.  Getting it here would have cost another small fortune. 

That old Brown & Sharp looks like a mighty fine instrument.  
Reg

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" That old Brown & Sharp looks like a mighty fine instrument."


Hi Reg :wave:


It is a bit special, since I found it as a kid & have had it ever since !

The fact that it actually works & is useful is a great bonus !!


I do like tools with some 'history'.

I have a few other such gems, but none quite as OdD as an archeology find ! :shocked:


- - - - - - -


Well ... I never quite got round to 'Side 2' ;)

Like every great L.P. the flip-side always has some unique 'grooves'. :cool:





It looks from 'Side-2' that the ol' No.8 was previously owned by one ... E.H.Wood.


If it wasn't already obvious from the previous photo ...

... check out the 'knurling' !

This micrometer has been SERIOUSLY USED !!


I don't figure I've worn off more than 1/2 Thou" of knurling since I've been using it ! ;)


:brill:


Si.


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