de la Rue suggested a very simple expedient for showing that the spots are cavities.
And in 1836 Mr. de la Rue found that copies might be taken in copper of engraved copper-plates by the electro-depositing process.
It was with such power at his command that Dr. de la Rue proceeded to investigate several important electrical laws.
A selenographic chart represents the moon, especially as seen by the aid of photography and Mr. de la Rue's arrangement.
Concerning the Italian experiment, de la Rue is more hopeful than you.
de la Rue noticed that large spots are generally situated at extremities of the same diameter.
According to Mr de la Rue, this acid constitutes the pure colouring matter of cochineal.
Porter, Pendergrass, de la Rue and others gave evidence which admitted of no answer.
Mr. de la Rue took a very well-equipped photographic detachment, and his photographs were eminently successful.
Unfortunately, I selected Mr. de la Rue as the fittest person to examine them.