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Author Topic: First Post - What is this thing?  (Read 1246 times)

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Offline bob95065

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First Post - What is this thing?
« on: January 07, 2019, 09:23:16 AM »
I found this board using a Google search and joined right away.  I have a friend that sent me pictures of a mystsrey tool.  We don't know what this this or what is was designed to do.

Any help is appreciated.
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Offline humber2

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Re: First Post - What is this thing?
« Reply #1 on: January 07, 2019, 01:56:05 PM »
See if Dobbie McInnes indicator is a match.
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Offline Northwoods

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Re: First Post - What is this thing?
« Reply #2 on: January 07, 2019, 02:07:37 PM »
Pre-electronic age gadget to analyze a variety of gases.
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The ORIGINAL Northwoods.

Offline oldgoaly

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Re: First Post - What is this thing?
« Reply #3 on: January 07, 2019, 04:35:56 PM »
Bacharach made flue gas testing devices, could be for boiler or steam engine?
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Offline JohnD

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Re: First Post - What is this thing?
« Reply #4 on: January 08, 2019, 01:07:25 PM »
Search eBay or google for "steam engine indicator". It was hooked to the valve gear & cylinder pressure somehow while running and recorded a chart on rotating drum to give a measure of performance and efficiency. Sort of a portable dynamometer. Best story I've ever read about the use of such devices involved Locomotives. A guy would ride in a little box bolted onto side of locomotive near the cylinders while fully loaded train was operated at full speed. His job was to take multiple  readings from a pair of these instruments. They were all hard of hearing.
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Offline Notlobster

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Re: First Post - What is this thing?
« Reply #5 on: February 14, 2019, 04:49:13 PM »
Take a look at this tubalcain "what is it" video starting at 5:30.

https://www.youtube.com/watch?v=nlBgaxouz8U

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Offline Yadda

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Re: First Post - What is this thing?
« Reply #6 on: February 14, 2019, 06:54:03 PM »
Quote from: Notlobster on February 14, 2019, 04:49:13 PM
Take a look at this tubalcain "what is it" video starting at 5:30.

https://www.youtube.com/watch?v=nlBgaxouz8U



Nailed it!
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