The motions of the Tongue, Lips, Throat, Palate, & c. which go to the making of the ſeveral Alphabetical Letters are worthy inquiry, and pertinent to the preſent Inquiſition of Sounds: But becauſe they are ſubtil and long to deſcribe, we will refer them over, and place them amongſt the Experiments of Speech. The Hebrews have been diligent in it, and have aſſigned which Letters are Labial, which Dental, which Guttural, & c