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GB417035A
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Cold accumulator
|
|
GB364644A
|
|
Improvements in or relating to static regulating apparatus for alternating current voltages
|
|
GB365112A
|
|
Compound winding for inductances
|
|
GB316295A
|
|
Improvements in or relating to rotary compressors
|
|
DE577917C
|
|
Wind turbine coupled to an electric generator
|
|
GB259557A
|
|
Method of constructing propellers
|
|
BE336740A
|
|
Turbine having its rotating shaft transverse to the flow of the current
|
|
US1783464A
|
|
Refrigerating machine
|
|
GB259921A
|
|
Arrangement of refrigerating machines for the obtainment of great differences in temperature
|
|
US1769743A
|
|
Auxiliary condenser for two-stage air ejectors
|
|
GB211388A
|
|
Improvements in auxiliary condensers for two stage air ejectors
|
|
US1613709A
|
|
Electric spark gap
|
|
US1545587A
|
|
Refrigerating apparatus based upon the use of air
|
|
GB196602A
|
|
Process and apparatus for ice manufacture
|
|
GB197311A
|
|
Refrigerating apparatus based upon the use of air
|
|
GB196595A
|
|
Improvements in and relating to electric vacuum tube apparatus
|
|
GB193822A
|
|
Improvements relating to air ejectors
|
|
US1569760A
|
|
Air ejector
|
|
GB192357A
|
|
Improvements relating to air ejectors
|
|
US1584383A
|
|
High-speed electric machine
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