Rehabilitation Sciences 3061A/B Lecture 2: Lecture 2: CSD
12 May 2017
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Document Summary
Week 2: historical perspectives on the csd professions. Speaking trumpet described in homer"s the iliad (850bc) Guy de chauliac (1300-1380) french surgeon and physician: stuttering caused by excessive moisture or dryness of the tongue or brain, treatments for stuttering involved adjusting the body"s humors . Italian physicians cardano & battista porta: hearing aids: ear trumpet, bone conduction rods. 1819: acoustic chair: spanish king jon vi hard of hearing, manufactured by british firm r. c. King john vi used the throne from about 1819 until his death in 1826, while ruling from. The king"s chair was equipped with a large receiving apparatus concealed beneath the seat. Its hollow arms were elaborately carved to represent the open mouths of grotesque lions and were arranged to act as receivers through which sound was conveyed via a single tube hidden in the back of the chair. Visitors were required to kneel before the chair and speak directly into the animal heads.
