Brun and **Kirsch**, p. 222, and Ewald, Hist.

P. **Kirsch**, "Die Finanzverwaltung des Kardinalkollegiums im 13.

P. **Kirsch**, Die Riickkehr der Papste Urban V.

22-23; **Kirsch**, Kollectorien (1892); Daumet, Innocent VI.

Avec les rois de France (1888); Wurm, Albornoz (1892); **Kirsch**, Riickkehr der Pdpste Urban V.

P. **Kirsch**, Die Riickkehr der Papste Urban V.

The acceleration of a second point, usually taken at the centre of the crosshead pin, can be found by the principles of 82, but several special geometrical constructions have been devised for this purpose, notably the construction of Klein,i discovered also independently by **Kirsch**.i But probably the most convenient is the construction due to G.

Prof. **Kirsch**, Uber die graphische Bestimmung der Kolbenbeschleunigung, Zeitsch.

The acceleration of a second point, usually taken at the centre of the crosshead pin, can be found by the principles of 82, but several special geometrical constructions have been devised for this purpose, notably the construction of Klein,i discovered also independently by **Kirsch**.i But probably the most convenient is the construction due to G.

The more important of them are: - (i) Kethabha dhe-Bhabhatha (Book of the Pupils of the Eyes), a treatise on logic or dialectics; (2) Hewath Hekhmetha (Butter of Wisdom), an exposition of the whole philosophy of Aristotle; (3) Sullaka Haunanaya (Ascent of the Mind), a treatise on astronomy and Imperfectly edited and translated by Bruns and **Kirsch** in 1789.