The cobalt blue bottle with the verticle ribs is your best find. I think it must be a poison bottle (at least, a bottle for a poisonous substance). It is poison bottles that have the distinctive embossing such as ribs and hobnails as a precaution against a user mistake in the dark.
This bottle was made by the Hazel-Atlas Glass Company between 1923 and 1964. (Close to the 1923 date since it is a cork-stoppered bottle.)
H over an A (shown).......Hazel-Atlas Glass Company, Wheeling, WV; started at Washington, PA; later plants included Clarksburg, WV; Zanesville, OH; Ada, OK; Montgomery, AL; Oakland, CA; Pomona, CA and other locations. (1902-1964). This mark was reportedly first used in 1923, according to trademark office records quoted by Peterson (400 Trademarks on Glass). I believe the mark was last used in 1964. The Hazel-Atlas Glass Company was formed in 1902 as a result of the merger of the Hazel Glass Company (started 1887) and the Atlas Glass Company (started 1896). Hazel-Atlas manufactured tremendous quantities of "depression" pressed glassware in a wide variety of patterns throughout the 1920s, '30s and '40s. They also produced many of the white milkglass "inserts" used inside zinc fruit jar lids, as well as many types of milkglass cold cream jars and salve containers. Also an important maker of a very large variety of bottles and jars for the commercial packaging industry. "Atlas" was the name brand of their most popular line of fruit jars for home canning. Hazel-Atlas became a subsidiary of Continental Can Company in 1957. In 1964, 10 of the 12 H-A plants in operation were sold to Brockway Glass Company, and I am not sure if the remaining two plants used the H-A trademark after that year. Some Hazel-Atlas plant codes and other markings seen on the base of their bottles are shown in a chart here , courtesy of Dick Cole (fruitjar.org).
