Which of the following was the most significant effect the rotary press had on printing? It lowered the cost of production.
It allowed multiple images to be printed at once.
It allowed typesetters to use color ink for the first time.
It increased the speed of production.

It increased the speed of production.

Explanation:

The rotary press addition in the printing process employed the carving of the objects to be used on the cylinder. The ink only had to be pressed on the carved objects to create an impression on the surface of the material being employed.

This system helped to increase the speed of the production of printed materials in the world.

It increased the speed of production.

Explanation:

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By the 18th century, printing technology allowed wh ole she ets of copy to be engr aved on dura ble me tal pla tes that could create mul tiple print ed copies over a lo ng peri od of time. In the 19th century, the invention of the rotary press would speed up production enor mously

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