[111.] EXPERIMENTUM LXXXIX.
[112.] EXPERIMENTUM XC.
[113.] EXPERIMENTUM XCI.
[114.] EXPERIMENTUM XCII.
[115.] EXPERIMENTUM XCIII.
[116.] EXPERIMENTUM XCIV.
[117.] EXPERIMENTUM XCV.
[118.] EXPERIMENTUM XCVI.
[119.] EXPERIMENTUM XCVII.
[120.] Tabula Declinationis Acus Magneticæ Pariſiis obſervatæ.
[121.] EXPERIMENTUM XCVIII.
[122.] DE ACU INCLINATORIA.
[123.] EXPERIMENTUM XCIX.
[124.] EXPERIMENTUM. C.
[125.] EXPERIMENTUM CI.
[126.] EXPERIMENTUM CII.
[127.] EXPERIMENTUM. CIII.
[128.] DISSERTATIO
[129.] EXPERIMENTUM CIV.
[130.] EXPERIMENTUM CV.
[131.] EXPERIMENTUM CVI.
[132.] EXPERIMENTUM CVII.
[133.] EXPERIMENTUM CVIII.
[134.] EXPERIMENTUM CIX. DE FABRICA VERSORIORUM.
[135.] CAPUT QUARTUM.
[136.] EXPERIMENTUM CX.
[137.] EXPERIMENTUM CXI.
[138.] EXPERIMENTUM CXII.
[139.] EXPERIMENTUM CXIII.
[140.] EXPERIMENTUM CXIV.