HocfadorequiriturannulusligneuscumanfiiliSjiit eft IKLMy qui aperturafua interiori fit pauJo major annulo vitrco NO, habcatque circularem incifuramverfus interiorem aperturam, ut annulum vitreum perfede capiat,aut Ci non omni-no congruit, piceo bitumine fic affigatur, ut firmiter adhajreat. Ut…
Optics, Geometrical · Optical instruments
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![An illustration from Examen dv livre des Recreations mathematiqves, & de ses problemes en geometrie mechanique, optique & catoptrique [du J. Leurechon] Où sont aussi discutées & restabiles plusieurs experiences physiques y proposées (1639)](https://img.insideoutlibrary.com/img/200/ia-examendvlivredes00mydo-92-20.webp)
![An illustration from Architectura curiosa nova, exponens 1. Fundamenta hydragogica, indolemq[ue] aquæ, aëris interventu in altum levandæ. 2. Varios aquarum ac salientium fontium lusus per varia spectatu jucunda epistomiorum seu siphonum genera. 3. Magnum amnissimorum fontium, machinarumq[ue] aquæductoriarum sumtu magno exstructarum, ac per Italiam, Britanniam, Germaniam &c. visendarum, numerum. 4. Specus artificiales sumtuosissimas, cum plerisq[ue] principum europæorum palatiis, hortis, aulis; nec non præcipuis monasteriis atq[ue] arcibus. 5. Cum auctario figurarum elegantissimarum, ad hortorum topiaria vario ductù dividenda, nec non conclavium laquearibus ac pavimentis segmentandis, itemq[ue] labyrinthis construendis, adhibendarum. Omnia 200 æri incisis... descripta (1664)](https://img.insideoutlibrary.com/img/200/ia-architecturacuri00bock-50-17.webp)
