An encyclopædia of freemasonry and its kindred sciences .. (1894)
Mackey, Albert Gallatin, 1807-1881, McClenachan, Charles T. (Charles Thompson) · Philadelphia, L. H. Everts · leaf 143
d yeta knowledge of the ritual as the founda-tion of higher knowledge is essential. Broached Thurnel. In the An-dersonian lectures of the early part of theeighteenth century the Immovable Jewelsof the Lodge are said to be the TarselBoard, Rough Ashlar, and Broached Thur-nel ; and in describing… … has been met with in discovering what theBroached Thurnel really was. Dr. Oliver,most probably deceived by the use to whichit was assigned, says {Diet. Symb. Mas.)that it was subsequently called the RoughAshlar. This is evidently incorrect, be-cause a distinction is made in the originallecture…
Freemasons
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