History Quiz 1: Introduction

The principal of the camera has long been known: light entering a minute hole in the wall of a darkened room forms on the opposite wall an ________________ image of whatever lies outside.

______________________ is basically a way of fixing the camera image by the action of light upon substances sensitive to it.

The incentive to work out a practical technique for creating pictures came from the rising ____________________ of the late 18th century.

The first mechanical device used in the production of pictures was the camera _______________.

Another mechanical device used to create pictures that could more easily be carried about and was widely used by travelers was the camera _____________.

Images captured using these early "cameras" were actually __________ by a person on a sheet of paper.