[9] Diodorus Siculus, Tzetzez, Galen, Lucian, Anthemius, and others.
[10] This story is attested, with slight variations, by several writers, Petronius, Dion Cassius, Pliny, and Isidorus. Pliny says that the populace, imagining that their interests would be injured by the discovery, destroyed the workhouse, tools, and dwelling of the artificer.
[11] Blancourt.
[12] Ibn Abd Alhakim.
[13] For details see Loysel "Sur l'Art de la Verrerie;" and Lard. Cyclo.
[14] In this respect plate-glass is treated differently from crown and broad glass, which is always placed on its edge in the annealing furnace.
[15] Lard. Cyclo.
[16] To such an extent has this jealousy been carried, that many adroit expedients have been employed to mislead and baffle curiosity. Hence the infinite variety of receipts for the production of different sorts of glass that have been launched upon the public, a vast number of which have been got up expressly for the purpose of deceiving and misdirecting the inquirer. To this circumstance may be referred the remarkable contradictions and inconsistencies that may be detected in all treatises on the subject.
[17] "Entre tout, l'état d'une prison est le plus doux, et le plus profitable!"
[18] Munito was the name of a dog famous for his learning (a Porson of a dog) at the date of my childhood. There are no such dogs nowadays.