Assertion: newtonian telescope's design | /r/HasProperty | easy to manufacture
Facets:
Source sentences:
text: Dobson's telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large, portable, low-cost telescope.
text: It features a simple mechanical design which is easy to manufacture.
text: Dobson's telescopes featured a simplified mechanical design that was easy to manufacture from readily available components to create a large, portable, low-cost telescope.