Archive for the 'S-Safety Fuse' Category

Jan-7th-2009

Salt

A salt is a chemical compound containing two atoms of two radicals,. which saturate each other. One atom or radical is electro-positive referred to the other, which is electro-negative. By electrolysis salts are decomposed, the atoms or radicals separating and uniting to form new molecules.

Jan-7th-2009

Safety Fuse

A strip of metal inserted so as to form part of a circuit and of such size that a smaller current [than] would heat the regular wire of the circuit dangerously, so as to cause a conflagration for instance, would melt the fuse and open the circuit. As it sometimes happens that a safety fuse [...]

Jan-7th-2009

Safety Device

(a) A device to prevent overheating of any portion of a circuit by excess of current. It generally consists of a slip of fusible metal which if the current attains too much strength melts and opens the circuit. To ensure its breaking a weight is sometimes suspended from the strip. In one form an insulated [...]

Jan-7th-2009

Saddle Bracket

A bracket carried on the top of telegraph poles, carrying an insulator for the upper wire.

Jan-7th-2009

S

(a) Symbol for second. (b) Symbol for space, or length; L is preferable. (c) Symbol for south-seeking pole of a magnet.