What first made it possible to devise a notice that could be reproduced in large numbers and distributed widely?

The invention of the printing press by Johannes Gutenberg in the mid-15th century was pivotal in enabling the reproduction of notices in large numbers. This technology allowed for the efficient production of printed materials, making it easier to disseminate information widely. The use of movable type facilitated quick and cost-effective printing, leading to an increase in literacy and the spread of ideas. Consequently, notices, pamphlets, and other written works could reach broader audiences than ever before.