Category: Technology & Science


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The Modern Phorometer: Including the Phorometer-Trial Frame, Phoro-Optometer and the Rotary Cross-Cylinder.

By: deZeng, Henry L.

Price: $15.00

Publisher: Camden, N. J.:, By Author,: 1917.

Edition: First

Inventory Number: 7261

Condition: Very good.

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Evaporation in the Cane and the Beet Sugar Factory: A Theoretical and Practical Treatise.

By: Koppeschaar, Edward.

Price: $30.00

Publisher: London, Norman Rodger,: 1914

Inventory Number: 7776

Condition: Cloth Slightly worn and scuffed, interior very good.

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