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Steel Making

Tool Or Crucible Steel
Crucible steel can be annealed either in muffled furnace or b...

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

Using Illuminating Gas
The choice of a carburizing furnace depends greatly on the fa...

Silicon
SILICON is a very widespread element (symbol Si), being an es...

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

Pyrometry And Pyrometers
A knowledge of the fundamental principles of pyrometry, or th...

Compensating Leads
By the use of compensating leads, formed of the same materia...

William Kelly's Air-boiling Process
An account of Bessemer's address to the British Association w...

Heat Treatment Of Steel
Heat treatment consists in heating and cooling metal at defin...

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

Lathe And Planer Tools
FORGING.--Gently warm the steel to remove any chill, is parti...

The Pyrometer And Its Use
In the heat treatment of steel, it has become absolutely nece...

Suggestions For Handling High-speed Steels
The following suggestions for handling high-speed steels are ...

Phosphorus
Phosphorus is one of the impurities in steel, and it has been...

Nickel
Nickel may be considered as the toughest among the non-rare a...

Shrinking And Enlarging Work
Steel can be shrunk or enlarged by proper heating and cooling...

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

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

Steel Worked In Austenitic State
As a general rule steel should be worked when it is in the a...

High Speed Steel
For centuries the secret art of making tool steel was handed ...



Placing The Thermo-couples






Category: PYROMETRY AND PYROMETERS

The following illustrations from the Taylor Instrument Company
show different applications of the thermo-couples to furnaces of
various kinds. Figure 118 shows an oil-fired furnace with a simple
vertical installation. Figure 119 shows a method of imbedding the
thermo-couple in the floor of a furnace so as to require no space
in the heating chamber.



Various methods of applying a pyrometer to common heat-treatment
furnaces are shown in Figs. 120 to 122.





Next: Leeds And Northrup Optical Pyrometer

Previous: The Leeds And Northrup Potentiometer System



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