Final answer:
All options listed represent successful inventions from the era, thus implying there might be an error in the question. Typewriters were indeed successful, as were high-powered sewing machines, movies with sound, and frozen foods.
Step-by-step explanation:
The question asks which of the listed inventions was not a successful invention of the era. From the options provided, all of them were significant and successful inventions except for option D, typewriters. Typewriters were indeed a successful invention of the late 19th and early 20th centuries, contributing significantly to business, communication, and writing processes. The question may contain an error or is testing for historical knowledge recognition on successful inventions. High-powered sewing machines, movies with sound, and frozen foods were all successful inventions that had a profound impact on the era in which they were introduced.