One summer, in my wanderings with a knapsack, I was at luncheon in the room of a wayside inn in the western country, when the door opened and there entered an old rustic, who crossed close to my end of the table and sat himself down very quie... Read more of The Wood Of The Dead at Scary Stories.caInformational Site Network Informational
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Steel Making

High-chromium Or Rust-proof Steel
High-chromium, or what is called stainless steel containing f...

Pickling The Forgings
The forgings were then pickled in a hot solution of either ni...

MANGANESE is a metal much like iron. Its chemical symbol is M...

Carbon Steels For Different Tools
All users of tool steels should carefully study the different...

SULPHUR is another element (symbol S) which is always found i...

A Satisfactory Luting Mixture
A mixture of fireclay and sand will be found very satisfactor...

Air-hardening Steels
These steels are recommended for boring, turning and planing...

Steel Before The 1850's
In spite of a rapid increase in the use of machines and the ...

Protective Screens For Furnaces
Workmen needlessly exposed to the flames, heat and glare from...

Effects Of Proper Annealing
Proper annealing of low-carbon steels causes a complete solu...

Tempering Colors On Carbon Steels
Opinions differ as to the temperature which is indicated by t...

The material used for all gears on the Liberty engine was sel...

Temperature For Annealing
Theoretically, annealing should be accomplished at a tempera...

Ebbw Vale And The Bessemer Process
After his British Association address in August 1856, Besseme...

ANNEALING can be done by heating to temperatures ranging from...

Application To The Automotive Industry
The information given on the various parts of the Liberty eng...

The Leeds And Northrup Potentiometer System
The potentiometer pyrometer system is both flexible and subst...

Introduction Of Carbon
The matter to which these notes are primarily directed is the...

Classifications Of Steel
Among makers and sellers, carbon tool-steels are classed by g...

PHOSPHORUS is an element (symbol P) which enters the metal fr...

Pyrometers For Molten Metal


Pyrometers for molten metal are connected to portable thermocouples
as in Fig. 132. Usually the pyrometer is portable, as shown in
this case, which is a Brown. Other methods of mounting for this
kind of work arc shown in Figs. 133 and 134. The bent mountings
are designed for molten metal, such as brass or copper and are
supplied with either clay, graphite or carborundum tubes. Fifteen
feet of connecting wire is usually supplied.

The angle mountings, Fig. 134, are recommended for baths such as
lead or cyanide. The horizontal arm is usually about 14 in. long,
and the whole mounting is easily taken apart making replacements
very easy. Details of the thermo-couple shown in Fig. 132 are given
in Fig. 135. This is a straight rod with a protector for the hand
of the operator. The lag in such couples is less than one minute.
These are Englehard mountings.

Next: Protectors For Thermo-couples

Previous: An Automatic Temperature Control Pyrometer

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