One of its objectives was to build a public observatory.

He had an observatory built at his ancestral home in 1808.

The design is typical of observatories built in the 19th century.

It was his express vision which led to a special committee to build an observatory.

He had an observatory built behind his mansion in Geneva.

In 1898, Strong built an observatory at the top.

Lowell had his own observatory built in the desert, he was a rich man.

At the house, he built an observatory and meteorological station.

The old observatory built by Schinkel was pulled down later.

In order to do so, it was necessary to build a new observatory where you could install the appropriate equipment.