[SEL] Finding ground off serial numbers

[peter ogborne]

Peter ,just wondering how a dye penetrant would go.
----- Original Message ----- 
From: "Peter Lowe" <plowe at exemail.com.au>
To: "ATIS" <sel at lists.stationary-engine.com>; "Oldengine.org" 
<stationary-engine at oldengine.org>
Sent: Thursday, November 06, 2008 7:02 PM
Subject: [SEL] Finding ground off serial numbers


> Hi Guys
>
> I have a technical one for you gurus
>
> When I worked at the steel mill in Newcastle, Australia. the laboratories 
> were able to detect and read things that have been ground off.
> The company engraved all their tools with BHP, the rouges would grind that 
> off and steal the tools. If caught at a gate bag inspection with suspect 
> tools, they could take them to the lab and detect the engraved BHP. By 
> stamping or engraving it alters the grain structure of the steel and it 
> can be picked up by some sort of spectrograph.
> Does anyone in the US know of such a technique, I have a R&V guy in Texas 
> that needs to lift a serial number from a 4hp triumph line engine.
>
> Regards
> Peter Lowe
> R&V Engine Registrar
> Australia
> Ph: 61-266453455
> http://www.oldengine.org/members/plowe/rv-engines/rvpage.htm
> http://www.oldengine.org/members/plowe/rv-engines/rv-register.htm
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