After leaving school he worked as a bookkeeper for 3 years and then entered his father's business as a glassblower.
There were five or six glassblowers in the first year, more were employed later.
He created an impossibly large and complicated piece, which took a team of glassblowers more than an hour.
For the first ten years of his work career, he worked as a glassblower making scientific instruments for various chemical laboratories.
The modern torch permits working both the soft glass from the furnace worker and the borosilicate glass (low-expansion) of the scientific glassblower.
The cost of making bottles by machine was 10 to 12 cents per gross compared to $1.80 per gross by the manual glassblowers and helpers.
Fahrenheit was a skilled glassblower and his alcohol thermometer was the world's first reliable thermometer.
The furnaces would be staffed by a couple of the factory's glassblowers, who would perform their craft for tourists.
