This gallery shows two Deane W. King Duplex Powder measures. Gerald Kelver considered the King version to be one of the best Duplex Powder Measures made. This gallery also includes some superb photos of the metering device and how it is made and it's method of adjustment.
Overall View of D.W. King Duplex Powder Measure
Rear View of D.W. King Duplex Powder Measure
Bottom View of Measure
"C" Clamp, Drop Tube, and Rotation Knob
D.W. King Powder Scale
Another View of D.W. King Duplex Powder Measure Powder Scale
Powder Reservoir, Can, and Retaining Screw
Smokeless and Black Powder Resevoir
D.W. King Markings on Measure Lid
Another D.W. King Duplex Powder Measure
Rotation Knob
Powder Scale of 2nd D.W. King Duplex Measure
D.W. King Markings on 2nd Duplex Powder Measure
Measure Unit - Black Powder Measure Closed
Measure Unit - Black Powder Measure Fully Open
Reverse Side Of Measure Unit - Black Powder Measure Closed
Reverse Side Of Measure Unit - Black Powder Measure Fully Open
Note the Assembly for Blanking Off The Smokeless Chamber