What was Seth Thomas's crucial contribution compared to Hutchins's initial concept?
Answer
He commercialized the technology by making it accessible and affordable.
While Hutchins proved the concept, Thomas commercialized the technology so that millions could solve their own wake-up needs reliably through making the clock accessible, durable, and affordable.

Related Questions
What time was Levi Hutchins's original alarm clock specifically set to ring?Which state was the location of Levi Hutchins when he invented his alarm clock?What feature distinguished Hutchins's 1787 invention from later, commercial alarm clocks?Who is credited with the turning point for the widespread adoption of the mechanical alarm clock?In what decade did Seth Thomas begin producing affordable, reliable alarm clocks?What was Seth Thomas's crucial contribution compared to Hutchins's initial concept?In which city/town did Seth Thomas establish his alarm clock production?What contrast illustrates the difference between Hutchins's and Thomas's contributions?What skill was primarily required for the engineering of Hutchins’s fixed-time mechanism?What silent impact did widely accessible adjustable alarms have on the structure of American labor?How did the 1787 clock compare economically to the versatile clocks that followed Thomas’s design?