0. DOCID:13587 1937 "The Electrically Driven Ultracentrifuge" 0.0116274702158569
1. DOCID:13235 1935 "An Inexpensive Apparatus for the Measurement of Bodily Activity" 0.0112725247157991
2. DOCID:13861 1938 "An Inexpensive Surface Tensiometer" 0.0110839707892992
3. DOCID:11800 1930 "An Apparatus for the Preparation of Small Organisms" 0.0108772603390406
4. DOCID:12056 1931 "A Triple-Spectrum Discharge Tube" 0.0108397245006908
5. DOCID:13363 1936 "A Simple Apparatus to Facilitate the Preparation of Bacterial Vaccines" 0.01003661360475
6. DOCID:13390 1936 "A Simple Quartz Mercury Arc" 0.0100179227015688
7. DOCID:12380 1932 "A Simple Apparatus for Mercury Distillation" 0.00945965258788914
8. DOCID:14330 1940 "A Tube for Nitrogen Purification" 0.00933649123283386
9. DOCID:13232 1935 "Automatic Flow-Meter for Drip Solutions in Plant Nutritional Studies" 0.00912884094697092
10. DOCID:12646 1933 "A Chamber for Experimentally Freezing Horticultural Products at Very Low Temperatures" 0.00906420438174706
11. DOCID:13323 1936 "Glass Electrode with Galvanometer Reading" 0.00880425649607766
12. DOCID:14000 1939 "A Method for Estimating the Degree of Mineralization of Bones from Tracings of Roentgenograms" 0.00879628329746641
13. DOCID:13354 1936 "A Simple Method for Obtaining Synchronized Inductorium Break Shocks" 0.00869493960021498
14. DOCID:13459 1936 "A Simple Device for Short Photographic Exposures" 0.00863384841135017