Embossed Cup for John Wyeth and Brothers Effervescent Sodium Phosphate Bottle.

The bottom reads, "THIS CUP HOLDS A HEAPING DESSERT SPOONFUL."  Around the rim are heavily embossed numbers - 1 thorugh 12.

The cup is in good condition but was a bit puzzling.  A little research soon gave me the answer.

It is the top of the John Wyeth and Brothers Effervescent Sodium Phosphate bottle shown below.

The bottom of the bottle is marked, "PAT MAY 16 1899."

I've seen many examples of the cup for sale for a few dollars - usually around five or six dollars.

The patent date suggests that the bottle is probably from the early 20th century.

Below is the link to the web site that provided the above picture.

http://www.bottlebooks.com/questions/august2001/august%202001%20questions.htm

Complete examples of this bottle type with this same embossing are from John Wyeth & Bro. and the bottle rim would have had a dose glass resting on it and the bottle said “TAKE NEXT DOSE AT” and then a mark so the dose glass can be rotated to the hour marked at its base.

This type of bottle was patented in 1899. Only the older bottles from this manufacturer are blue but it is not known when this bottle color was phased out. These bottles were handblown until 1910 which is also around the estimated time when the deep cobalt blue was discontinued.