Difference between revisions of "File:MN2769.jpg"

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(Chalk and clay for Portland cement - R T Roussel. Diorama, Museum of Practical Geology. From a Lantern slide. Credit: Christina Walsh.)
 
 
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Chalk and clay for Portland cement - R T Roussel. Diorama, Museum of Practical Geology. From a Lantern slide. Credit: Christina Walsh.
 
Chalk and clay for Portland cement - R T Roussel. Diorama, Museum of Practical Geology. From a Lantern slide. Credit: Christina Walsh.
 
== Licencing ==
 
== Licencing ==
{{PD}}
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Credit: Christina Walsh

Latest revision as of 10:33, 28 June 2020

Summary[edit]

Chalk and clay for Portland cement - R T Roussel. Diorama, Museum of Practical Geology. From a Lantern slide. Credit: Christina Walsh.

Licencing[edit]

Credit: Christina Walsh

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current10:12, 28 June 2020Thumbnail for version as of 10:12, 28 June 20201,400 × 500 (498 KB)Scotfot (talk | contribs)Chalk and clay for Portland cement - R T Roussel. Diorama, Museum of Practical Geology. From a Lantern slide. Credit: Christina Walsh.
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