On the top floor of the museum is a camera obscura.

The camera obscura, it was felt, told the truth about nature.

One day he brought his camera obscura and set it up so they could look at me.

In 1829 he replaced the telescope with a camera obscura.

"The camera obscura helps me to see in a different way," he explained.

This work describes how to use a lens with a camera obscura.

The lens, the mirror and the camera obscura are all just tools.

Another recent discovery may further diminish the importance of the camera obscura.

My master stood, and they set up the camera obscura so that it pointed at me.

This camera obscura was destroyed when the restaurant burned down in 1907.

This is the camera obscura by way of which the dream nests in the day.

THE room is dark, like the chamber of a camera obscura.

A camera obscura is a lens that projects a reverse image in a dark room.

Using a camera obscura, he could turn out a $1 portrait in 15 minutes.

The Professor led them up several flights of steps to the room which housed the camera obscura.

The first camera, the camera obscura, was just a darkened room.

Did Caravaggio, perhaps, use some kind of camera obscura to find and map his images?

The lens was designed to improve the image projected by the camera obscura.

Arthur had a camera obscura on the top area and a room that looked like it floated in the air.

The 232-page book takes the novice through the days when there were cameras (the camera obscura), but no film.

But that does not mean he reproduced what he saw with a camera obscura.

Another of its attractions is a camera obscura, one of the world's largest.

A camera obscura was installed to delight his visitors, of whom there were many.

Perspective boxes were experiments with light, architectural elements, and the camera obscura.

A 1000-seater theatre, bar, camera obscura and office suite replaced this in 1899/1901.