The Library of Congress >  Researchers >  Search Finding Aids  >  Herbert J. Hall papers, 1910-2003
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Research-Cottrell and Research Corporation, 1942-1970 (continued)
BOX 10 Reactor designs and data, 1960-1961
BOX 10 Transformer and choke design and data, 1953-1961
BOX 10 Wire data, 1960
BOX 10 Work in progress, 1961
BOX 10 Notebook of business and professional expenses, 1961-1968
BOX 10 Patents
BOX 10 General, 1951-1964
BOX 10 Ideas and notes, 1961-1969
(2 folders)
BOX 11 Photographs and slides, 1962-1968
(4 folders)
BOX 11 Progress reports
BOX 11 Nos. 1-6, 1947-1948
(4 folders)
BOX 12 Nos. 7-23, 1948-1949
(7 folders)
BOX 13 Nos. 24-50, 1950-1953
(7 folders)
BOX 14 Nos. 51-68, 1953-1956
(6 folders)
BOX 14 Projects and research
BOX 14 163, high temperature and high pressure
BOX 14 Frenchtown Porcelain Co., high-voltage bushing design and cable, 1962-1963
BOX 14 High-temperature electrostatic precipitation, 1962-1968
BOX 14 Hot precipitator fly ash basic design data, 1966
(2 folders)
BOX 15 Technical reports, 1963
BOX 15 Thermal ionization, 1962-1968
(2 folders)
BOX 15 310, gas flow, 1962-1964
(2 folders)
BOX 15 800-96, electrified bag filter, 1952-1967
(4 folders)
BOX 15 810-12-03, "1500 MA rectifier set," 1964-1965
BOX 16 810-12-07, "TR Dev., 1000 MA Set, 460 V. Line," 1965-1966
BOX 16 810-16, electric field adsorption, sulfur dioxide (SO₂), and corona chemistry, 1964-1965
BOX 16 810-27, precipitator scrubbers for paper mills, 1966
BOX 16 812-01, high-temperature fly ash precipitator, 1963-1966
(2 folders)
BOX 16 AC field particle charging system and impulse corona, 1946-1947
(3 folders)
BOX 16 Crystal accelerometer MKI-sensitivity, 1951-1953
BOX 17 Current limiting reactor
BOX 17 Application, data, and reports, 1963-1965
(3 folders)
BOX 17 Designs, 1965-1966
BOX 17 "G.O. 2773, Kansas City Power and Light Co., Ladue, Mo.," 1964-1968
BOX 17 "G.O. 2793, Atlantic City, N.J.," 1965
BOX 17 Electrostatic liquid cleaner
BOX 17 "Electrostatic Filtration of Insulating Liquids," conference paper, Annual International Conference of Doble Clients, Boston, Mass., 1965-1966
BOX 17 Hydraulic fluid cleaning, 1962
BOX 17 Liquid-liquid and liquid-solid separations, 1962
BOX 17 Memoranda and reports, 1962-1965
(2 folders)
BOX 18 "A New Electrostatic Liquid Cleaner," conference paper, National Meeting of the American Society of Lubrication Engineers, Pittsburgh, Penn.
BOX 18 Drafts and related material
BOX 18 Early versions, 1963-1966
(3 folders)
BOX 18 Revised versions, 1966
(2 folders)
BOX 18 Final version, 1966
BOX 18 Technical basic data, 1963-1965
(2 folders)
BOX 19 Non-uniform electric field applications, 1953-1965
BOX 19 Project 309, electrostatic liquid-solid filter, 1962-1963
(3 folders)
BOX 19 Prospectus, 1965
BOX 19 LE-3, particle conductivity mechanisms, 1955-1963
BOX 19 Low-voltage automatic (LVA) MIGI rapper
BOX 19 Development, 1963-1966
(2 folders)
BOX 19 "LF 8367-HV-36FT-LB rapper for Noyes-Australia," 1965
BOX 20 Prototype budget, plans, production, and system, 1966
(2 folders)
BOX 20 Prototype final release designs, 1966-1967
BOX 20 Solid-state LVA rapper system, 1964-1966
BOX 20 Monsanto Chemical Co., high-temperature precipitator, 1967-1968
BOX 20 Nothelfer Winding Laboratories, Trenton, N.J.
BOX 20 Charging choke, 1948-1961
(2 folders)
BOX 20 Correspondence, 1948-1961
BOX 20 High-leakage reactance transformers with resistance load, 1948-1955
(2 folders)
BOX 21 Logs and notes, 1948-1961
BOX 21 Pulse transformers, designs and references, 1946-1958
(6 folders)
BOX 22 Pulse transformers, designs and references, 1946-1958
(2 folders)
BOX 22 Pulser circuits and data for tube-type discharge switches, 1949-1951
BOX 22 Pulse transformer designs, 1947-1950
BOX 22 Pulse transformer development for G.O. 9014, 1961-1963
(2 folders)
BOX 22 Solid-state automatic control unit and system with silicon control rectifier for electrostatic precipitator high-voltage rectifier sets, 1965-1966
(3 folders)
BOX 23 "USO 4 power supply data and designs," 1949-1955
BOX 23 Technical memoranda
BOX 23 Nos. 1-27, 1945-1949
(8 folders)
BOX 24 Nos. 28-50, 1949-1956
(4 folders)
BOX 24-34 Recon Systems and Precipitator Technology, 1965-1973
The Recon Systems and Precipitator Technology series highlights Hall's career from 1969 to 1972 when he addressed air pollution control at both companies. Hall was vice president and a consultant at Recon Systems, a scientific and engineering consulting firm specializing in air, solid waste, and water pollution control problems and systems. He worked closely with Norman J. Weinstein, founder of the company, and this is reflected in the series. The bulk of the series comprises Hall's technical reports as a scientific consultant at Recon Systems on the topics of dust emission control, electrical discharges, electrostatic precipitators, fly ash precipitator designs, high-voltage power supplies, incinerator designs, pulser circuit, solid and liquid waste management, and sulfur dioxide (SO₂) and nitrogen oxide (NOₓ) removal. Hall notably prepared a comprehensive market investigation on desulfurizing plants in the United States for Steinkohlen-Elektrizität Aktiengesellschaft (STEAG) of Germany, and this work is included in the series. Hall's work for Precipitator Technology, an air pollution company run by Jacob Katz, is mainly reflected in the technical reports from 1972 to 1973. Later in their careers, Hall and Katz would collaborate and lecture throughout the United States on the engineering, maintenance, and operation of electrostatic precipitators, and related material can be found in the Writing and Lecture File series.
Material types include background data and calculations, blueprints, consulting agreements, correspondence, drawings, graphs, handwritten and typed technical reports, memoranda, notes, research material, and other supporting papers.
Arranged alphabetically by topic or type of material.
BOX 24 "1500 MA sets," 1965-1972
BOX 24 Chemical and Engineering News, 1969
BOX 24 Consulting agreement forms, circa 1969
BOX 24 Correspondence and memoranda, 1970
BOX 24 Drawings, 1969-1970
BOX 24 Market Investigation for System Bischoff Desulfurizing Plants in the U.S., prepared for Steinkohlen-Elektrizitat Aktiengesellschaft
BOX 24 Air Pollution Control Association Annual Meeting, St. Louis, Mo., 1970
BOX 25 Air Pollution Control Association Annual Meeting, St. Louis, Mo., 1970
BOX 25 Correspondence and background material, 1967-1970
(3 folders)
BOX 25 Federal and state legislation, 1967-1970
BOX 25 Interviews and notes on power plants regarding sulfur dioxide (SO₂) removal stack gases, 1968-1970
BOX 25 Scrubbers, 1967-1968
BOX 25 Stone and Webster/Ionics, process for sulfur dioxide (SO₂) removal and recovery, 1969-1970
BOX 25 Sulfur dioxide (SO₂) removal, 1967-1971
(3 folders)
BOX 26 Technology for gas cleaning, 1965-1969
BOX 26 Notes and action items, 1970-1971
BOX 26 Pollution control technical information, 1970-1971
BOX 26 Technical reports
BOX 26 1969
(4 folders)
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