It is very important at the outset to consider the qualities of this very important line. In some hands it is broad and shallow on the surface of the hand, in others it is deep and fine; the appearance of this line is very often deceptive, and ... Read more of The Line Of Life at Palm Readings.orgInformational Site Network Informational
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Steel Making

Rate Of Absorption
According to Guillet, the absorption of carbon is favored by ...

Tempering Round Dies
A number of circular dies of carbon tool steel for use in too...

Heat-treating Department
The heat-treating department occupies an L-shaped building. ...

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

Cyanide Bath For Tool Steels
All high-carbon tool steels are heated in a cyanide bath. Wi...

Preventing Carburizing By Copper-plating
Copper-plating has been found effective and must have a thick...

Making Steel Balls
Steel balls are made from rods or coils according to size, st...

Oil-hardening Steel
Heat slowly and uniformly to 1,450 deg.F. and forge thorough...

Hardening
The forgings can be hardened by cooling in still air or quen...

Restoring Overheated Steel
The effect of heat treatment on overheated steel is shown gra...

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

An Automatic Temperature Control Pyrometer
Automatic temperature control instruments are similar to the ...

Critical Points
One of the most important means of investigating the properti...

Quenching The Work
In some operations case-hardened work is quenched from the bo...

Mushet And Bessemer
That Mushet was "used" by Ebbw Vale against Bessemer is, perh...

Preventing Cracks In Hardening
The blacksmith in the small shop, where equipment is usually ...

Annealing Of Rifle Components At Springfield Armory
In general, all forgings of the components of the arms manufa...

Crankshaft
The crankshaft was the most highly stressed part of the entir...

Quenching
It is considered good practice to quench alloy steels from th...

A Chromium-cobalt Steel
The Latrobe Steel Company make a high-speed steel without tun...



Pyrometers For Molten Metal






Category: PYROMETRY AND PYROMETERS

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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