| 40537 |
|
Sheldon H.H. |
Charcoal Activation |
1920 | •• |
| 40538 |
|
Gronwall T.H. |
Conformal Mapping of a Family of Real Conics on Another |
1920 | •• |
| 40541 |
|
Webster A.G. |
Experiments on the Vibration of Air in Conical Horns |
1920 | •• |
| 40542 |
|
King A.S. |
Experiments with the Tube Resistance Furnace on the Effect of Potential Difference |
1920 | •• |
| 40637 |
|
Barnett I.A. |
Functionals Invariant under One-Parameter Continuous Groups of Transformations in the Space of Continuous Functions |
1920 | •• |
| 40638 |
|
Bridgman P.W. |
Further Measurements of the Effects of Pressure on Resistance |
1920 | •• |
| 40645 |
|
McClendon J.F. |
Hydrogen Ion Concentration of the Contents of the Small Intestine |
1920 | •• |
| 40656 |
|
Hall E.H. |
Inferences from the Hypothesis of Dual Electric Conduction; the Thomson Effect |
1920 | •• |
| 40670 |
|
Nichols E.L., Wilbur D.T. |
Luminescence at High Temperatures |
1920 | •• |
| 40692 |
|
Lipka J. |
Motion on a Surface for any Positional Field of Force |
1920 | •• |
| 40697 |
|
Abbot C.G. |
New Observations on the Variability of the Sun |
1920 | •• |
| 40701 |
|
Moore C.L., Philips H.B. |
Note on Geometrical Products |
1920 | •• |
| 40705 |
|
Barus C. |
Note on Torsional Measurement of Variations of the Acceleration of Gravity by Interference Methods |
1920 | •• |
| 40707 |
|
Barus C. |
Note on a Pneumatic Method of Measuring Variations of the Acceleration of Gravity |
1920 | •• |
| 40722 |
|
Vandiver H.S. |
On Kummers Memoir of 1857 Concerning Fermats Last Theorem |
1920 | •• |
| 40729 |
|
Bateman H. |
On a Differential Equation Occurring in Pages Theory of Electromagnetism |
1920 | •• |
| 40730 |
|
Pearl R. |
On a Single Numerical Index of the Age Distribution of a Population |
1920 | •• |
| 40735 |
|
Michelson A.A. |
On the Application of Interference Methods to Astronomical Measurements |
1920 | •• |
| 40736 |
|
Vandiver H.S. |
On the Class Number of the Field and the Second Case of Fermats Last Theorem |
1920 | •• |
| 40737 |
|
Webster A.G. |
On the Connection of the Specific Heats with the Equation of State of a Gas |
1920 | •• |
| 40740 |
|
Gronwall T.H. |
On the Distortion in Conformal Mapping When the Second Coefficient in the Mapping Function Has an Assigned Value |
1920 | •• |
| 40747 |
|
Duane W., Stenstrom W. |
On the K Series of X-Rays |
1920 | •• |
| 40750 |
|
Loeb L.B. |
On the Nature of the Heat Production in a System of Platinum Black, Alcohol and Air |
1920 | •• |
| 40751 |
|
Loeb L.B. |
On the Nature of the Negative Carriers Produced in Pure Hydrogen and Nitrogen by Photo-Electrons |
1920 | •• |
| 40755 |
|
Pearl R., Reed.L.J. |
On the Rate of Growth of the Population of the United States since 1790 and Its Mathematical Representation |
1920 | •• |
| 40757 |
|
Duane W., Patterson R.A. |
On the Relative Positions and Intensities of Lines in X-ray Spectra |
1920 | •• |
| 40760 |
|
Webster A.G. |
On the Springfield Rifle and the Leduc Formula |
1920 | •• |
| 40761 |
|
Zeldin S.D. |
On the Structure of Finite Continuous Groups with Exceptional Transformations |
1920 | •• |
| 40786 |
|
Bowie W. |
Present Status of Geodesy and Some of the Problems of This Branch of Geophysics |
1920 | •• |
| 40859 |
|
Stouffe E.B. |
Semivariants of a General System of Linear Homogeneous Differential Equations |
1920 | •• |
| 40870 |
|
Durand W.F. |
Shock or Water Ram in Pipe Lines with Imperfect Reflection at the Discharge End and Including the Effects of Friction and Non-Uniform Change of Valve Opening |
1920 | •• |
| 40882 |
|
Webster A.G. |
Some New Methods in Interior Ballistics |
1920 | •• |
| 40887 |
|
Bauer L.A. |
Some of the Chief Problems in Terrestrial Magnetism and Electricity |
1920 | •• |
| 40903 |
|
Shapley H., Davis H.N. |
Studies of Magnitude in Star Clusters XII. Summary of a Photometric Investigation of the Globular System Messier 3 |
1920 | •• |
| 40933 |
|
Shapley H. |
Studies of Magnitudes, in Star Clusters XI. Frequency of Curves the Absolute Magnitude and Color Index for 1152 Giant Stars |
1920 | •• |
| 40943 |
|
Duane W., Fricke H. |
The Absorption of X-Rays by Chemical Elements of High Atomic Numbers |
1920 | •• |
| 42155 |
|
Eckart C. |
The Solution of the Problem of the Simple Oscillator by a Combination of the Schroedinger and the Lanczos Theories |
1920 | •• |
| 32021 |
|
Born M. |
Einstein's Theory of Relativity |
1920 | •• |
| 75981 |
|
Smith A. C. |
The Secrets of Jujitsu. A Complete Course in Self Defense |
1920 | •• |
| 198303 |
|
Kaufman G.F. |
Chemical Reactions, Their Theory and Mechanism |
1920 | •• |
| 1325 |
|
Muir T. |
Theory of determinants, vol. 3. 1861-1880 |
1920 | •• |
| 1455 |
|
Manning W.A |
Primitive groups (vol.1) |
1921 | •• |
| 1844 |
|
Carslaw H.S. |
Introduction to the Theory of Fourier's Series and Integrals |
1921 • | •• |
| 8386 |
|
Adams R., Conant J.B., Clarke H.T. (eds.) |
Organic Syntheses (vol. 1) |
1921 | •• |
| 10266 |
|
Ñòåêëîâ Â.À. |
Òåîðèÿ è ïðàêòèêà â èññëåäîâàíèÿõ ×åáûøåâà |
1921 | •• |
| 44069 |
|
Barus c. |
Experiments with the Vacuum Gravitation Needle |
1921 | •• |
| 44077 |
|
Coble A.B. |
Geometric Aspects of the Abelian Modular Functions of Genus Four (I) |
1921 | •• |
| 44078 |
|
Coble A.B. |
Geometric Aspects of the Abelian Modular Functions of Genus Four (II) |
1921 | •• |
| 44080 |
|
Miller G.A. |
Group of Isomorphisms of a Transitive Substitution Group |
1921 | •• |
| 44088 |
|
Michelson A.A. |
Measurement of the Diameter of Alpha-Orionis by the Interferometer |
1921 | •• |
|
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