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When was semaphore used?
Semaphore was invented in 1648 by Robert Hooke. The first use was by Claude Chappe in 1792 in France. The system conveyed messages from city to city by relay stations or towers.
Who invented cell?
Robert Hooke
What are some of the things Robert Hooke invented?
Robert Hooke invented the cells and he also invented the microphone.
What was developed after Robert Hooke invented the microscope in 1665?
What was developed after Robert Hooke invented the microscope
In what year was the compound microscope invented by Robert Hooke?
The compound microscope was invented by Robert Hooke in the year 1665.
What did Robert Hooke invented?
microscope
What year did Robert Hooke invent his first microscope?
What year did Robert Hooke invent his first microscope
Why were cells invented?
cells were not invented, they were discovered by Robert Hooke.
Why was the stereo microscope invented?
Robert Hooke
Who invented the string cup phone?
Robert hooke
Who invented semaphore flag siganlling system?
The semaphore flag signaling system was developed by Claude Chappe in France during the late 18th century. Chappe's system used a series of different flag positions to convey messages over long distances, and it was widely used for communication before the invention of the telegraph.
Was developed after Robert Hooke invented the microscope In 1665?
idontknow
