NECROLOGY
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DEPENDABLE INDICATION St3B ^'"" ! 6 ",\ yr^ Λ\ ^^\ Whenever accurate knowledge of temperatures is required: for process protection, for testing samples and apparatus, for remote reading of thermocouple temperatures (in degrees F. or C, millivolts or milliamperes), I-B-T Model 70-PO is a permanently efficient and reliable standard. MODEL 70-PO is a direct deflection potenti- ometer-pyrometer that requires no standard cell and can be depended upon to maintain its calibration almost indefinitely. Once adjusted for the par- ticular thermocouple being used, readings on scales of 0-4000° F. and over can t>e made without any further balancing. On lower ranges, only one balancing per reading is required. The instru- ment is especially useful in following changes as they occur, to an accuracy within ^ of 1 % total scale deflection. Model 70-PO also withstands vibration and changes in ambient temperature. Portable or mounted models assure the con- venience of thermocouple use with the reliability of the potentiometer method. 3 1 &- U^J MODEL S-12-11 SELECTOR SWITCH measures with 10 or less thermocouples in connection with Model 70-PO. Slotted adapters permit thermo- couples of varied size and length to be brought to uniformity. Thereafter, readings are taken merely by rotating the knob. Designed for use where contact resistance must be low and remain constant, the switch has an average contact resistance of .00075 ohms or less. ^ PORTABLE MODEL S-15-11 (not illustrated) is similar, but has carrying strap and binding posts on top for easy connection. Catalogs gladly furnished on request. I-B-T INSTRUMENTS, IMC;* 441; CHAPEL STREET' NEW HAVEN, CONN,; ] Wherever remote reading of temperature is j'mporfanlf James A. Branegan JAMES A. BRANEGAN, president of the Kali Manufacturing Co., Philadelphia, Penna., died December 23, 1941. Mr. Branegan was born January 15, 1873, and was educated at Pratt Institute. From 1897 to 1899 he was chemist with the Mar- tin Kalbfleisch Chemical Co., from 1899 to 1917 technical representative of the General Chemical Co., and since 1919 had been president of the Kali Manufacturing Co. In 1911 he was winner of the Widman Medal for original chemical work. During the World War he served in the office of the Alien Property Custodian. He was the author of "Popular Textile Chemis- try", "Chemistry and Science in Prehis- toric America", and technical articles. He was the inventor of the Branegan acid siphon and tin hydrometer. Mr. Brane- gan had been a member of the AMERICAN CHEMICAL SOCIETY since 1902. Franklin G. Hills XpRANKLiN G. HILLS, chief chemist of the metallurgy department of the Colorado School of Mines, died December 23,1941, at Golden, Colo., at the age of 73. Mr. Hills was on the faculty of Columbia University for six years, later was superintendent of the smelter operated by the American Smelting & Refining Co. at Leadville, Colo., and superintendent of the Colorado Fuel & Iron Co. smelter in Pueblo. In 1927 he joined the faculty of the Colorado School of Mines and had devoted his re- search activities principally to the dis- covery of rare elements in various types of ore from all over the world. He was a member of the AMERICAN CHEMICAL SOCIETY. Harold Johnson TJAROLD JOHNSON, chief chemist of -*• -* TheWamer-Jenkinson Manufacturing Co., St. Louis, died December 10, 1941, at the age of 65. He had been in failing health for several years. Dr. Johnson was born in Canterbury, England, and re- ceived his early education in England. His chemical training was completed at the University of Brussels. In his earlier career as a consulting chemist to the fermentation industries, he traveled extensively to British possessions and spent several years in India. Later he came to Canada, and in 1912, when the Warner-Jenkinson Manufacturing Co. was in its infancy, he was called to St. Louis as its first chemist. In addition to directing the development of this company's ex- tensive line of flavors and allied products for the ice cream and carbonated beverages industries, he became interested in dyes for coloring food products during the early years of World War I. At that time the list of permitted coal-tar food colors was very limited, and reduction of imports eliminated some of them from the Ameri- can market. This was especially true of the triphenylmethane dyes. His researches resulted in the produc- tion of an American-manufactured Light Green SF Yellowish of relatively high purity, superior to the imported variety, and this was promptly accepted by the Bureau of Chemistry, U. S. Department of Agriculture for certification as a food dye. Further work on nontoxic dyes, carried out in later years in the Warner-Jenkinson laboratory under Dr. Johnson's direction, produced three new colors—Fast Green FCF, Ponceau SX, and Sunset Yellow FCF. These were accepted by the Color Certification Laboratory and added to the official list of U. S. certified food colors. He had been a member of the AMERICAN CHEMICAL SOCIETY since 1921. W; Ε ANNOUNCE with regret the death of the following: Rafael Aguilar-Santillan, Sociedad Cien- tifica Antonio, Alzate, Apartado 77-98, Mexico City, Mexico. Member since 1917. James M. Bush, W. J. Bush & Co., Ltd., London, England. Member since 1909. Thomas G. Elliot, Messrs. Hadfields, Ltd., Sheffield, England. Member since 1935. Francis E. Francis, University of Bristol, Bristol, England. Member since 1930. Edwin R. Hadley, Venice High School, West Los Angeles, Calif. Member since 1935. Ralph W. Higbie, assistant professor of chemical engineering, Speed Scientific School, U iversity of Louisville, Louis- St. Louis, Mo. Member since 1920. Robert E. Kresge, chief chemist, Ameri- can Rolling Mill Co., Butler, Penna. Member since 1927. A. J. Murphy, managing director, Mur- phy & Son, Ltd., Wheathampstead Herts, England. Member since 1912. W. C. R. Murray, Oakland, Calif., Clorox Chemical Co. Member since 1923. Axel W. T. Nibelius, 32 West 40th St., New York, Ν. Υ. Member since 1906. George R. Pensel, vice president, Ritter Chemical Co., Inc., Amsterdam, Ν. Υ. Member since 1917. Leland M. Willey, General Electric Co., Schenectady, Ν. Υ. Member since 1907. 128 CHEMICAL AND ENGINEERING NEWS NECROLOGY
Transcript of NECROLOGY
DEPENDABLE INDICATION
St3B
^ ' " " ! 6
",\
yr^ Λ\
^̂ \
Whenever accurate knowledge of temperatures is required: for process protection, for testing samples and apparatus, for remote reading of thermocouple temperatures ( i n degrees F. or C, millivolts or milliamperes), I-B-T Model 70-PO is a permanently efficient and reliable standard.
MODEL 70-PO i s a direct deflection potentiometer-pyrometer that requires no standard ce l l and can b e depended upon to maintain i ts calibration almost indefinitely. Once adjusted for t h e particular thermocouple being u s e d , readings o n scales of 0 -4000° F. and over can t>e made without any further balancing. O n l o w e r ranges, only one balancing per reading is required. The instrument i s especially useful in fo l lowing changes as they occur, to an accuracy w i t h i n ^ of 1 % total scale deflection. Model 70-PO a l so withstands vibration and c h a n g e s in ambient temperature.
Portable or mounted mode l s assure t h e convenience of thermocouple use with t h e reliability of the potentiometer method.
3 1
&- U ^ J
MODEL S-12-11 SELECTOR SWITCH measures with 10 or l e s s thermocouples in connect ion with Model 70-PO. Slotted adapters permit thermocoup le s of varied s i z e and l e n g t h to be brought to uniformity. Thereafter, readings are taken merely by rotating the knob.
Des igned for use where contact res istance must be low and remain constant, the switch has an average contact resistance of .00075 ohms or less. ^
PORTABLE MODEL S-15-11 (not illustrated) i s similar, but has carrying strap and b inding posts on top for easy connect ion.
Catalogs gladly furnished on request.
I-B-T INSTRUMENTS, IMC;* 441; CHAPEL STREET'
NEW HAVEN, CONN,; ] Wherever remote reading of temperature is j 'mporfanlf
James A . Branegan JAMES A. BRANEGAN, president of the
Kali Manufacturing Co., Philadelphia, Penna., died December 23, 1941. Mr. Branegan was born January 15, 1873, and was educated at Pratt Institute. From 1897 to 1899 he was chemist with the Martin Kalbfleisch Chemical Co., from 1899 to 1917 technical representative of the General Chemical Co., and since 1919 had been president of the Kali Manufacturing Co. In 1911 he was winner of the Widman Medal for original chemical work. During the World War he served in the office of the Alien Property Custodian. He was the author of "Popular Textile Chemistry", "Chemistry and Science in Prehistoric America", and technical articles. He was the inventor of the Branegan acid siphon and tin hydrometer. Mr. Branegan had been a member of the AMERICAN CHEMICAL SOCIETY since 1902.
Franklin G . Hills XpRANKLiN G. HILLS, chief chemist of the
metallurgy department of the Colorado School of Mines, died December 23,1941, at Golden, Colo., at the age of 73. Mr. Hills was on the faculty of Columbia University for six years, later was superintendent of the smelter operated by the American Smelting & Refining Co. at Leadville, Colo., and superintendent of the Colorado Fuel & Iron Co. smelter in Pueblo. In 1927 he joined the faculty of the Colorado School of Mines and had devoted his research activities principally to the discovery of rare elements in various types of ore from all over the world. He was a member of the AMERICAN CHEMICAL SOCIETY.
Harold Johnson T J A R O L D JOHNSON, chief chemist of -*• -* TheWamer-Jenkinson Manufacturing Co., St. Louis, died December 10, 1941, at the age of 65. He had been in failing health for several years. Dr. Johnson was born in Canterbury, England, and received his early education in England. His chemical training was completed at the University of Brussels.
In his earlier career as a consulting chemist to the fermentation industries, he traveled extensively to British possessions and spent several years in India. Later he came to Canada, and in 1912, when the Warner-Jenkinson Manufacturing Co. was in its infancy, he was called to St. Louis as its first chemist. In addition to directing the development of this company's extensive line of flavors and allied products
for the ice cream and carbonated beverages industries, he became interested in dyes for coloring food products during the early years of World War I. At that time the list of permitted coal-tar food colors was very limited, and reduction of imports eliminated some of them from the American market. This was especially true of the triphenylmethane dyes.
His researches resulted in the production of an American-manufactured Light Green SF Yellowish of relatively high purity, superior to the imported variety, and this was promptly accepted by the Bureau of Chemistry, U. S. Department of Agriculture for certification as a food dye.
Further work on nontoxic dyes, carried out in later years in the Warner-Jenkinson laboratory under Dr. Johnson's direction, produced three new colors—Fast Green FCF, Ponceau SX, and Sunset Yellow FCF. These were accepted by the Color Certification Laboratory and added to the official list of U. S. certified food colors.
He had been a member of the AMERICAN CHEMICAL SOCIETY since 1921.
W; Ε ANNOUNCE with regret the death of the following:
Rafael Aguilar-Santillan, Sociedad Cien-tifica Antonio, Alzate, Apartado 77-98, Mexico City, Mexico. Member since 1917.
James M. Bush, W. J. Bush & Co., Ltd., London, England. Member since 1909.
Thomas G. Elliot, Messrs. Hadfields, Ltd., Sheffield, England. Member since 1935.
Francis E. Francis, University of Bristol, Bristol, England. Member since 1930.
Edwin R. Hadley, Venice High School, West Los Angeles, Calif. Member since 1935.
Ralph W. Higbie, assistant professor of chemical engineering, Speed Scientific School, U iversity of Louisville, Louis-St. Louis, Mo. Member since 1920.
Robert E. Kresge, chief chemist, American Rolling Mill Co., Butler, Penna. Member since 1927.
A. J. Murphy, managing director, Murphy & Son, Ltd., Wheathampstead Herts, England. Member since 1912.
W. C. R. Murray, Oakland, Calif., Clorox Chemical Co. Member since 1923.
Axel W. T. Nibelius, 32 West 40th St., New York, Ν. Υ. Member since 1906.
George R. Pensel , vice president, Ritter Chemical Co., Inc., Amsterdam, Ν. Υ. Member since 1917.
Leland M. Willey, General Electric Co., Schenectady, Ν. Υ. Member since 1907.
128 C H E M I C A L A N D E N G I N E E R I N G N E W S
NECROLOGY
