Convoluting device for forming convolutions and the like Patent
Punch and die device for forming convolution series in thin gage metal hemispheres
Michel, R. E.↗
Engineering topics
Nelson, D. E.
Publications and source records attributed to Nelson, D. E..
Eighteen-inch diameter expulsion diaphragms Final report
Eighteen-inch expulsion diaphragm recycleability and fabrication from stainless steel and titanium
DIAPHRAGM↗