$19.99
1966 Press Photo Workman checks pressure tubes filled with acetate membranes.—
$19.99
The Story
Workman at left checks pressure tubes filled with cellulose acetate membranes which permit fresh water to flow through but hold back salt and other dissolved solids. A closeup of the cellulose acetate semipermeable membrane, which is only 5/1000s of an inch thick, is at the right. The membrane may be the answer to large desalting operations.
Photo is dated 1966.
Photo measures 10 x 8.25 inches.
Photo is dated 1966.
Photo measures 10 x 8.25 inches.
Details & Craftsmanship
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Description
Workman at left checks pressure tubes filled with cellulose acetate membranes which permit fresh water to flow through but hold back salt and other dissolved solids. A closeup of the cellulose acetate semipermeable membrane, which is only 5/1000s of an inch thick, is at the right. The membrane may be the answer to large desalting operations.
Photo is dated 1966.
Photo measures 10 x 8.25 inches.
Photo is dated 1966.
Photo measures 10 x 8.25 inches.
