E- SEEIES 



121. Welding Test I7I-A - The Effect of Welding on the Physical Properties 



of Special Treatment Steel, by J.W. Day. Apr IQ^l. 11 pp., 11 figs. 



122. Welding Test 206 - Physical Characteristics of Welded Longitudinal 



Seams - Preliminary Investigation, by J.W. Day. Apr 19^1. 6 pp., 

 6 figs. 



125. Welding Test 207 " Tensile Strength of Butt Welds Made in 1+0-Pound 



Special Treatment Steel, by J.W. Day. Kay I9J+I. 37 pp., 55 figs. 



124. Welding Test 258 - Scalloped Grooved Butt Joints in Special Treatment 



Steel, by J.W. Day. Aug I9I1I. 5 PP-; 7 figs. 



125. Welding Test l^k - STS Cylinders Subjected to Explosive Impact (Second 



Supplement), by J.W. Day. Jan 19^2. I6 pp., 12 figs. 



126. Welding Test 220 - Welded Butt Straps in Special Treatment Steel - 



Static Tensile Tests, by J.W. Day. May l^k2. I6 pp., 39 figs. 



127. Analysis of a Cylindrical Gun Foundation under Axial Loading, by 



Edward WenJs, Jr. Apr 19if-3 • 10 pp., 6 figs. 



128. Preparation, Labeling, and Identification of Graphs and Figures. Jun 



191+3. 1^ pp. J, 12 figs. 



129. Welding Test 206 - Physical Characteristics of Welded Longitudinal 



Seams, by J.W. Day and Comdr. W.P. Eoop, USN. Mar 19^3. 29 pp., 

 37 figs. 



150. Test of Stabilizing Vanes to Reduce Polling of Ships - Proposed by 

 Thomas A. Edison. Mar I918. 12 pp., 6 figs. 



Distributed only upon authorization of the administrators of the estate of Thomas A. Edison. 



131. Report of Test of System of Using an Air Film on the Shell Plating of 



a Ship to Reduce Frictlonal Resistance - Proposed by V/.H. Fauber. 



Apr 1918 . 10 pp . , h figs . Distributed only upon authorization of the administrators 

 of the estate of W.H. Fauber. 



132. Tests of Partially Submerged Propellers of the Sea -Sled Type. Apr 



1919. 13 pp., h figs. 



133. Test of Vertical Steering Control of Submarine S-3 Using Various Stern 



Horizontal Rudders. From Experiments with Model I966. Apr I919. 

 6 pp., 3 figs. 



II-7 



