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2. Sublimatory - Wikipedia

   en.wikipedia.org/wiki/Sublimatory

   A sublimatory [1] [2] or sublimation apparatus is equipment, commonly laboratory glassware, for purification of compounds by selective sublimation. In principle, the operation resembles purification by distillation , except that the products do not pass through a liquid phase .

3. File:Drawing For Beginners.pdf - Wikipedia

   en.wikipedia.org/wiki/File:Drawing_For_Beginners.pdf

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4. File:Andrew Loomis, Successful Drawing.pdf - Wikipedia

   en.wikipedia.org/wiki/File:Andrew_Loomis...

   Andrew_Loomis,_Successful_Drawing.pdf (312 × 435 pixels, file size: 22.69 MB, MIME type: application/pdf, 151 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

5. File:Andrew Loomis, Figure Drawing for All It's Worth.pdf

   en.wikipedia.org/wiki/File:Andrew_Loomis,_Figure...

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6. GIMP - Wikipedia

   en.wikipedia.org/wiki/GIMP

   The GNU Image Manipulation Program, commonly known by its acronym GIMP (/ ɡ ɪ m p / ⓘ GHIMP), is a free and open-source raster graphics editor [3] used for image manipulation (retouching) and image editing, free-form drawing, transcoding between different image file formats, and more specialized tasks. It is extensible by means of plugins ...

7. Sketch (drawing) - Wikipedia

   en.wikipedia.org/wiki/Sketch_(drawing)

   A sketch (ultimately from Greek σχέδιος – schedios, "done extempore" [1] [2] [3]) is a rapidly executed freehand drawing that is not usually intended as a finished work. [4] A sketch may serve a number of purposes: it might record something that the artist sees, it might record or develop an idea for later use or it might be used as a ...

8. Etching - Wikipedia

   en.wikipedia.org/wiki/Etching

   Its great advantage was that, unlike engraving where the difficult technique for using the burin requires special skill in metalworking, the basic technique for creating the image on the plate in etching is relatively easy to learn for an artist trained in drawing. On the other hand, the handling of the ground and acid need skill and experience ...

9. Sublimation (phase transition) - Wikipedia

   en.wikipedia.org/wiki/Sublimation_(phase_transition)

   The sublimation that occurs at the solid-gas boundary (critical sublimation point) (corresponding to boiling in vaporization) may be called rapid sublimation, and the substance sublimes rapidly. The words "gradual" and "rapid" have acquired special meanings in this context and no longer describe the rate of sublimation. [citation needed]