Assertion: telescope's mirror | /r/HasAspect | similar properties
Facets:
value: to lenses
type: OTHER
value: as lenses
type: MANNER
Source sentences:
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.
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.