The apparatus consists of a central burner and a dioptric cylindric refractor with zones of silvered mirror above and below similar in profile to Bordier Marcet's reflector, wasteful divergence is prevented, vintage line drawing or engraving illustra Poster #395726400
The apparatus consists of a central burner and a dioptric cylindric refractor with zones of silvered mirror above and below similar in profile to Bordier Marcet's reflector, wasteful divergence is prevented, vintage line drawing or engraving illustra Poster #395726400
