Emilio Segrè Visual Archives

More than 30,000 photos of scientists and their work

Dalton John H1

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Dalton John H1

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Image title: 
Explanation of the Plates
Credit line: 
AIP Emilio Segrè Visual Archives
Description: 

From Book 'A New System of Chemical Philosophy' Part I by John Dalton - Plate III See page 135. The balls in Fig. 1 and 2 represent particles of water: in the former, the square form denotes the arrangement in water, the rhomboidal form in the latter, denotes the arrangement in ice. The angle is always 60 or 120 degrees. Fig. 3. represents the perpendicular section of a ball resting upon two others, as 4 and 8, Fig. 1. Fig. 4. represents the perpendicular section of a ball resting upon two balls, as 7 and 5, Fig. 2. The perpendiculars of the triangles shew the heights of the strata in the two arrangements. Fig. 5. represents one of the small spiculae of ice formed upon the sudden congelation of water cooled below the freezing point. See page 134. Fig. 6. represents the shoots or ramifications of ice at the commemcement of congelation. The angles are 60 and 120 degrees.

Original format: 
1 photographic print (black and white; 6 x 4 inches)
Person(s): 
Dalton, John, 1766-1844
Keywords: 
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