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Measures for Progress: A History of the National Bureau of Standards

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APPENDIX K 635<br />

Lowell & Willoughby, Underwater antenna <strong>for</strong> submerged<br />

submarines (NBS Radio Laboratory Report, Nov 1918)<br />

Otild, [Standard variable condenser <strong>for</strong> radio] (reported<br />

in C74, 2d ed., 1918)<br />

Stillman, A portable cubic-foot standard <strong>for</strong> gas (T114,<br />

2. WEIGHTS &<br />

MEASURES 1918)<br />

Van Keuren, Manufacture <strong>of</strong> Hoke precision gages<br />

(Mech. Eng. 41, 289, 1919; Am. Mach. 50, 625, 1919)<br />

3. HEAT &<br />

Osborne & Van Dusen, The specific heat <strong>of</strong> liquid ammonia<br />

THERMOMETRY (S313, 1918)<br />

Mueller & Burgess, H. A., Standardization <strong>of</strong> <strong>the</strong> sulphur<br />

boiling point (S339, 1919)<br />

4. OPTICS Jackson, The saccharimetric normal weight and specific<br />

rotation <strong>of</strong> dextrose (S293, 1917)<br />

Method <strong>for</strong> slip casting large refractory pots; war-<br />

time production <strong>of</strong> optical glass; design <strong>of</strong> new types <strong>of</strong><br />

optical glass (1917—18; Gardner & Halmer, M194, 1949)<br />

Coblentz & Kahier, Some optical and photoelectric proper-<br />

ties <strong>of</strong> molybdenite (S338, 1918)<br />

Coblentz, The spectrophotoelectric sensitivity <strong>of</strong> thal<strong>of</strong>ide<br />

[New infrared detection devices] (S380 and S398, 1920)<br />

Gibson, Photoelectric spectrophotometry by <strong>the</strong> null<br />

method [First photoelectric spectrophotometer] (S349,<br />

1919)<br />

Bates & Bearce, New Baumé scale <strong>for</strong> sugar solutions<br />

5. CHEMISTRY<br />

8. METALLURGY<br />

(T115, 1918)<br />

Edwards, A specific gravity balance <strong>for</strong> gases [First com-<br />

mercial specific gravity balance <strong>for</strong> gases] (T89, 1917)<br />

Edwards, Effusion method <strong>of</strong> determining gas density<br />

[Instruments and method <strong>for</strong> determinating gas density]<br />

(T94, 1917)<br />

Weaver & Weibel, New <strong>for</strong>ms <strong>of</strong> instruments <strong>for</strong> showing<br />

<strong>the</strong> presence and amount <strong>of</strong> combustible gas in <strong>the</strong> air<br />

(S334, 1919)<br />

Merica, Waltenberg & Scott, The heat treatment <strong>of</strong> dural-<br />

umin [First explanation <strong>of</strong> <strong>the</strong> phenomenon <strong>of</strong> age<br />

hardening <strong>of</strong> metals] (S347, 1919)<br />

9. CLAY PRODUCTS Silsbee, Honaman, et al., [Development <strong>of</strong> a new type <strong>of</strong><br />

porcelain <strong>for</strong> aviation spark plugs] (Nati. Adm. Comm.<br />

Aeron. Rep. 53, 1919)<br />

NATIONAL BUREAU OF STANDARDS<br />

RESEARCH HIGHLIGHTS IN SCiENCE AND TECHNOLOGY—1920-1930<br />

1. ELECTRICITY<br />

• Lowell,<br />

• 1922)<br />

Breit, High-frequency resistance <strong>of</strong> inductance coils (S430,<br />

An electron-tube amplifier using sixty.cycle alter.<br />

nating current to supply power <strong>for</strong> <strong>the</strong> filaments and<br />

plates [First a.c. radio set] (S450, 1922)<br />

Dunmore & Engel, Directive radio transmission on a wave-<br />

length <strong>of</strong> 10 meters [First aural radio beacon] (S469,<br />

1923)

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