[78-L] Edison Trademark

[Ron L'Herault]

It's a Retort in a ring stand.  The retort is a glass flask and the ring
stand is a metal tripod that can hold such round bottmed flasks or with a
metal screen over the opening, can be used to heat flat bottomed beakers.
Most Ring stands come with several nested rings.

Ron L

-----Original Message-----
From: 78-l-bounces at klickitat.78online.com
[mailto:78-l-bounces at klickitat.78online.com] On Behalf Of
marimbamoods at comcast.net
Sent: Wednesday, November 02, 2011 7:41 PM
To: 78-L
Subject: [78-L] Edison Trademark

diamond discs, both etched and labeled, show edison's signature superimposed
over a trademark with the statement "a product of the edison laboratories." 


depicted in that trademark logo are two objects that are probably intended
to be representative of a laboratory. on the right i am guessing is a mortar
& pestle, and on the left is an object i can not identify. it seems to have
three legs and a tapered tube of some sort. 


can anyone explain this image? 


best, david harvey 
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