Answered by The Community. Making the world better, one answer at a time. Americast is porcelein on steel with a thick, sprayed on acrylic/composite backing. Unlike other enamel-on-steel tubs, these do not sound cheap & tinny when you rap on them-they sound just like cast iron.
Time Tangled Island Walkthrough. Time-Tangled Island is a really fun adventure on Poptropica. The basic idea is to travel to different periods of time and âfixâ the future by finding different objects that have been lost and then placed in the wrong time period.
Edisonâs first phonograph was a small model which used as a record a metal cylinder covered with tin foil. The cylinder had an axle running through it so it could be turned. Next to the cylinder was a mouthpiece with a vibrating disc, or diaphragm. A needle attached to this diaphragm touched the cylinder.