Term Gallery logo

Significats de achromatic object en anglès

Encara no tenim significats per a "achromatic object".
Ús de achromatic object en anglès
1
To these achromatic object glasses, as they are called, the great development of astronomical knowledge, since Newton's time, is due.
Great Astronomers
2
The achromatic object-glass, invented by Dollond, about 1750, obviates this difficulty, and brings all the rays to nearly the same focus.
Side-Lights on Astronomy and Kindred Fields of Popular Science
Aquesta col·locació està formada per: