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Mar 01, 1921 |
Solid materials have small/invisible cracks postulated
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Apr 19, 1921 |
Composition of two acid-resisting alloys disclosed
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Jun 15, 1921 |
Slip interference theory of hardening proposed
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Aug 13, 1921 |
Small amounts of boron can harden
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Aug 16, 1921 |
Alloy with specific gravity less than 2.7 described
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Oct 19, 1921 |
New transparent adhesive
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Dec 01, 1921 |
Recrystallization diagram of aluminum presented
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1922 |
Boron is introduced into steel
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Apr 01, 1922 |
Method for preparing cellulose ethers is patented
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May 30, 1922 |
Salts are catalysts to harden urea-resin adhesives
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Jun 08, 1922 |
Ethyl derivatives of cellulose prepared
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Jul 01, 1922 |
Variation of diffusion coefficient result of activation process
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Aug 01, 1922 |
Structure of different types of iron demonstrated
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Sep 05, 1922 |
Beryllium metal produced
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Sep 20, 1922 |
Condensation product from formaldehyde and urea
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Oct 25, 1922 |
Coating for airplane wings of cellulose acetate formed
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1923 |
Alloys studied by X-ray diffraction
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Feb 13, 1923 |
Vinyl chloride is formed
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Mar 01, 1923 |
Plastic strain can be resolved into shears along crystal planes
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Apr 01, 1923 |
One-piece, solid duralumin propeller test results reported
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