University of Virginia Library

The conclusioun of equaciouns of houses after the Astrelabie.

Set the begynnyng of the degre that ascendith upon the ende of the 8 houre inequal; than wol the begynnyng of the 2 hous sitte upon the lyne of mydnight. Remeve than the degre that ascendith, and set him on the ende of the 10 houre inequal, and than wol the begynnyng of the 3 hous sitte up on the mydnight lyne. Bring up ageyn the same degre that ascended first, and set him upon the est orisonte, and than wol the begynnyng of the 4 hous sitte upon the lyne of mydnight. Tak than the nader of the degre that first ascendid, and set him on the ende of the 2 houre inequal; and than wol the begynnyng of the 5 hous sitte upon the lyne of mydnight. Set than the nader of the ascendent on the ende of the 4 houre inequal, and than wol the begynnyng of the 6 hous sitte on the mydnight lyne. The begynnyng of the 7 hous is nader of the ascendent, and the begynnyng of the 8 hous is nader of the 2, and the begynnyng of the 9 hous is nader of the 3, and the begynnyng of the 10 hous is nader of the 4, and the begynnyng of the 11 hous is nader of the 5, and the begynnyng of the 12 hous is nader of the 6.