I am going to my own hearth-stone, / Bosomed in yon green hills alone,

The artificial marble made here is made in the common way with Gypsum Lime and other materials and the artist who is an Italian calls himself a Scagliolist (Scagliola being their name for Gypsum or works in Gypsum) he imitates some of the opake and coloured marbles ...

His fair large Front and Eye ſublime declar'd / Abſolute rule;

The computerised, autorefractometer quickly gives information about the refractive error of the patient in terms of sphere, cylinder with axis and interpupillary distance.