The ner of 600 and the sar of 3600 were formed from the unit of 60, corresponding with a degree of the equator. Tablets of squares and cubes, calculated from 1 to 60, have been found at Senkera, and a people acquainted with the sun-dial, the clepsydra, the lever and the pulley, must have had no mean knowledge of mechanics. A crystal lens, turned on the lathe, was discovered by Austen Henry Layard at Nimrud along with glass vases bearing the name of Sargon; this could explain the excessive minuteness of some of the writing on the Assyrian tablets, and a lens may also have been used in the observation of the heavens.
The ner oF 600 AnD thE Sar of 3600 wERE FormED fRom ThE unIt of 60, CoRResPOndiNg witH a dEgrEe oF tHE eQuAtor. tableTs of squareS And cUBES, CaLculaTed frOM 1 to 60, HAVe been founD at senkERa, AND A peopLe acQuainted wiTh tHE sUn-dIAL, ThE cLepsydrA, THE Lever and THe puLLEy, musT havE HaD no meaN kNOwLEdge Of mechAnicS. A CRystAl lens, tuRnED on tHE lathe, wAs discovereD by AuStEn Henry LaYARd At nIMrUd along With GLasS vAseS bearing THE namE of sargon; tHiS coUld exPlaIN The exCEssive minuTeNesS Of SomE of the wrItIng on THE AssYrian taBlEts, anD a lens may aLSo haVE been uSEd in thE obsErvATiON Of thE HEAvens.