They contained the chemicals with which he was constantly experimenting.

At the same time he was constantly experimenting with, and adapting to, new ideas.

Designers and nurserymen are constantly experimenting with an expanding range of pleached trees.

The America glimpsed through these pages was a rural laboratory, a place where farmers and gardeners experimented constantly.

He constantly experimented with new techniques, breaking rules right and left, including his own.

He used the house as a laboratory, constantly experimenting with new designs.

Left alone with his own crew, he constantly experimented to find out what he could do.

He is constantly experimenting to find the mood and the shape that express the precise feeling of the time.

Lewis learned as he went along and was constantly experimenting.

Although they searched and experimented constantly, the Sisterhood had never found a substitute for the spice.