Assertion: reflecting telescope's mirror | /r/HasAspect | similar properties
Facets:
value: as lenses
type: MANNER
value: to lenses
type: OTHER
Source sentences:
text: Galileo, Giovanni Francesco Sagredo, and others, spurred on by their knowledge that curved mirrors had similar properties to lenses, discussed the idea of building a telescope using a mirror as the image forming objective.
text: Soon after the invention of the refracting telescope Galileo, Giovanni Francesco Sagredo, and others, spurred on by their knowledge that curved mirrors had similar properties as lenses, discussed the idea of building a telescope using a mirror as the image forming objective.