1

The Use of Electrode Spacing in Well Logging

Year:
1943
Language:
english
File:
PDF, 883 KB
english, 1943
3

High Speed Cutting of Glass Disks

Year:
1936
Language:
english
File:
PDF, 368 KB
english, 1936
4

A Simple Method of Color Matching

Year:
1935
Language:
english
File:
PDF, 238 KB
english, 1935