The apron : its traditions, history and secret significances (1914)
Higgins, Frank C. (Francis Carlos), b. 1867 · New York : Author · leaf 15
Fig. 1. The Egyptian sacred Triangle … Fig The Eve of Horns. Sun-god, the Sun itself being termed the Eye of Heaven. Thisfigure was the original type of the celebrated Egyptian Amulet,the Eye of Horus which has in course of time descended toour Masonic institutions as the All Seeing Eye.
Freemasonry
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![An illustration from Catalogue des monuments et inscriptions de l'Égypte antique / publié sous les auspices de S.A. Abbas II Helmi par la direction générale du Service des antiquités [de l'Égypte] ; par J. de Morgan, U. Bouriant, G. Legrain, G. Jéquier, A. Barsanti (1894)](https://img.insideoutlibrary.com/img/200/ia-cataloguedesmonu21egyp-281-537.webp)
