David J. Gingery. A Compact Electric Resistance Shop Furnace

Foreword
The Design Concept
The Forms
Versatility
Higher Temperatures are Possible
Control Options
Series Resistance Control
Higher Than Normal Heat
Judging Temperature without Instruments
Infinite Range Control
Safety Considerations
The Refractory Lining
Combine All Data
Basic Calculations
Unit Size
Crucible Handling
Heating Element Size
Heat Calculations
Electrical Calculations
Applying the Formulas
The Basic Melting Fuace
Inside Body Form
Outside Body Form
Assembling the Body Form Unit
The Lid Form
Base Form
The Refractory Lining
Preparing the Refractory Mix
Installing the Heating Element
Installing the Control
The Initial Firing of the Lining
Limitations
Design Alterations
Muffle Fuaces
Rectangular Fuaces and Kilns
Handling Hot Stuff