Dating gustav becker clocks dating custody
In 1877 the Harder patent ( now under the control of de Gruyter ) lapsed thus allowing other clock-makers to commence production.
Many did and copied the Jahresuhrenfabrik clock exactly. took their time and commenced production of a Harder patent 400-day clock in 1902.
An excellent review of the GB disc pendulums is in the Torsion Times Vol. The quality of the GB 400-day clock was excellent and the company's reputation survived long after the death of the founder, Gustav, in 1885.
Unfortunately he did not live to see the real boom and commercial success of his clock design in the early 20th century.
In 1885, Gustav Becker died, but such was the reputation of the company and products that business momentum carried on right through until 1926 when GB was absorbed into the Junghans Company, who continued to market clocks under the GB brand until 1935.
Gustav Becker is what might be called a "quiet achiever" as there is substantiated evidence that he developed a 400-day clock and tried to commercialise it as early as 1875.
Junghans continued to produce 400-day clocks to the GB design and marketed under the GB brand until 1932.An antique Gustav Becker walnut regulator wall clock.