For Constipation Siblin Nonirritant Bulk Lubrication Vitamin B1

For Constipation Siblin Nonirritant Bulk Lubrication Vitamin B1

Parke Davis collectible ink blotter from the 1930s advertising Siblin. The advertisement describes siblin as "a palatable, granular, water-absorbent material obtained from Plantago- combined with Crysto-Vibex (vitamin B1 or thiamin chloride)" and notes that "when saturated with water it swells to form a soft, smooth, gelatinous mass." Dosage is given. There is an illustration of a box of the product, a glass of water, and a spoon. The date May, 1939 is written along the top. The Parke Davis identifier is bl-60-1.

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eng

pdib-175-siblin

7 X 3.5 inches