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<p>[QUOTE=&quot;AWORDCREATED, post: 1803503, member: 52245&quot;]The OP comes in at 66% original weight.&nbsp; We don&#039;t know about the anecdotal coin you showed.&nbsp; I&#039;d like to see a similar coin after having lost a third of itself to acid and see how much detail remained.&nbsp; Given what we have so far, the proffer that it took an acid bath as an explanation for the coins weight being off despite being a possibility is no certainty.</p><p><br /></p><p>Perhaps your professor was trying to give you a dramatic lab safety example that you would never forget.</p><p><br /></p><p>I had an interesting experience walking past a university lab door to the hallway I noticed a fire through that little vertical glass in the door which was locked.&nbsp; I sent the nearest person to get help/notify, and found that the next door lab was unlocked and the connecting room (where they keep all the good stuff) allowed me to get in, I put out the fire with the extinguisher before anybody got there.</p><p><br /></p><p>Days later I was introduced to the Prof who&#039;s lab I saved (only because another prof who knew me happened to be speaking to him and called me over as I happened by to make the introduction).&nbsp; He has the impression of goggles on his face and all around it is an old burn wound scar.&nbsp; Somehow that didn&#039;t surprise me.&nbsp; Also, when the other prof explained to him why he was making the introduction the guy just said OK.&nbsp; Never said nice to meet you or thank you or anything.&nbsp; He made quite the impression.[/QUOTE]</p><p><br /></p>

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