Ecclesiastical Curiosities Edited William Andrews (1899) Project Gutenburg © Godric Godricson |
The practice of our masons of putting the blood of oxen into mortar was no doubt in the first instance associated with the idea of a sacrifice; however this may be, the blood had no doubt a real effect in hardening the mortar, just the same as treacle, which has been known to be used in our days. The use of cement when any extra strength is needed has put aside the use of either blood or treacle in the mixing of mortar.