per day, averaging about twelve hundred tons-per annum, which is blown into apothecaries' phials, bottles, shop furniture, &c.
This glass is composed of materials altogether the production of the American soil, and about fifteen thousand barrels of rosin, from North Carolina, are annually consumed as fuel, in preference to wood or coal, from 250 to 300 men and boys are constantly employed.
Said to be manufactured at his own works suggests surprise at the accomplishment.
The person to whom the notice refers could be none other than Dr. Dyott had business dealings with the Kensington Glassworks because of his great need for bottles.
The Niles Weekly Register Oct 29, 1825 announced: Glass wares.
A manufacturer, at Philadelphia, advertises about ninety thousand groce of apothecaries' vials and bottles of various descriptions, and 5,000 demijohn-all said to be manufactured at his own works.
The tariffs boosted the potential for profit which spurred American glass-makers to ramp-up production but there was no operation big enough to immediately replace all the imported glass.
Nevertheless, the effect was electric and it was one of Americas pioneer glass-makers who first rose to the challenge.
Examples of pontiled blown cylindrical demijohns are known and likely date in the early 1850s.That the imports were superior, particularly the British imports, persisted from the late 1700s for a number of decades.Second, circumstantial evidence from literature, art and advertising also suggest a form like the European demijohn as shown in the cartoon entitled John and Demijohn published in 1829.It is probable that the few demijohns blown by early domestic producers were similar in shape to the imports for several reasons.First, the public was somewhat dubious about the quality of American glass.
The effects of the 1824 tariff were reviewed in an article in the Niles Weekly Register August 1, 1829.