Oculus artificialis teledioptricus sive telescopium : ex abditis rerum naturalium & artificialium principiis protractum nov a methodo ... : opus curiosum theorico-practicum magna rerum varietae adornatum ... : nova plurima abstrusa curiosa technasmata recluduntur, ipsaque ars telescopiaria facillime addiscenda, ac sumptibus non ade o magnis in praxin adducenda proponitur, adeoque telescopium ex tenebris in lucem asseritum

Zahn, Johann, 1641-1707, Burndy Library, donor. DSI · 1702 · Norimbergæ : Sumptibus Johannis Christophori Lochneri Bibliopolæ, typis Johannis Ernesti Adelbulneri · 2 pictures

Johann Zahn's 1702 treatise on optics and the telescope, printed in Nuremberg by Johann Christoph Lochner for scholars and instrument makers interested in optical practice. Its pictures are dense plates of geometric diagrams: a grid of lettered ray-tracing lines converging across the top, and rows of lens and optical-instrument profiles below, useful for designers wanting engraved scientific linework.

Geometrical optics · Early works to 1800 · Optical instruments

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