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around said body not connecting the perfo- rations thereof, and a strainer wound around said body. 3. A well screen comprising a body with 5 perforations therein, spirally alined with each other around said body, said perfora- tions being connected by peripheral grooves, said body also being provided with spiral grooves intermediate said first mentioned 10 grooves, and a strainer wire wound around said body. In testimony whereof we have signed our
names to this specification in the presence of the subscribing witnesses. HARRY R. DECKER. RUSSELL W. HOUK. Signed by Harry R. Decker in the pres- ence of- WM. A. CATHEY, - GLYNN DAvIs. Signed by Russell W. Houk in the pres- ence of- Wm. A. CATHEY, C. DODsON.