[pinterest count=”horizontal”]Vintage Pyrex narrow neck hexagonal nurser, glass baby bottle. This narrow neck baby bottle was used with a snap on type rubber nipple in the 1940’s. Screw cap lids with nipples were introduced in 1950.
The bottles measure approximately 6 1/2 inches tall, 2 inches wide at the base, and have a 1 inch opening. They are marked “Pyrex” down lengthwise and again intersecting with the word “Pyrex” in the middle. The bottles have graduated measuring marks up the back, and on the bottom they are marked “MADE IN U.S.A.”