Search Results
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Cliffs Dow plant in Marquette, Michigan
- After 1934 – before 1970
General view of a section of the exterior of the Cliffs Dow wood distillation plant located in Marquette, Michigan. Seeking a source of raw material for its new plastic, ethylcellulose, the Dow Chemical Company joined…
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4 items
Black Flag House and Garden Insect Spray
- After 1950 – before 1970
Black Flag brand insecticide aerosol spray can with black, green, and white text on yellow, white, and black label with insect and flag graphics. Round white cap.
- Manufacturer Boyle-Midway Inc.
- Subject Pesticides, DDT (Insecticide), Insecticides
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4 items
Standard Mothban Moth Killer
- After 1931 – before 1969
Standard brand Mothban aerosol spray can with red, white, and blue text on white and red background with Standard brand logo. Round red cap.
- Manufacturer Standard Oil Company
- Subject Pesticides, DDT (Insecticide), Insecticides
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Sperry Buffer Amplifier Microcircuit with a mirror and coin
- 1950 – 1969
This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.
- Photographer Dietrich, T. A.
- Subject Microelectronics, Beckman Instruments, Inc.
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Row of Beckman Model 899-1 Resistor Network microcircuits
- 1950 – 1969
Resistor networks combine several resistors into a single component.
- Photographer Armstrong & Hess
- Subject Electric resistors, Beckman Instruments, Inc.
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Non-Linear Non-Wirewound (Cermet) Elements
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Ceramic metals, Potentiometer, Beckman Instruments, Inc.
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Model 77P Helitrim potentiometer with Model 801 microcircuit
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Roger Marshutz Photography
- Subject Microelectronics, Potentiometer, Beckman Instruments, Inc.
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Model 76PR100 Helitrim trimming potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Subject Potentiometer, Beckman Instruments, Inc.
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Model 58 Helitrim trimming potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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2 items
Miller's 50% DDT Wettable
- After 1937 – before 1969
Miller's brand pesticide can with black and yellow text on red, yellow, and green label. Butterfly and landscape graphics.
- Subject Pesticides, DDT (Insecticide), Insecticides
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Microcircuit ladder network with pencil
- 1950 – 1969
Resistor ladders are electrical circuits made from repeating units of resistors. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.
- Photographer Dietrich, T. A.
- Subject Ladder networks, Pencils, Beckman Instruments, Inc.
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2 items
Man adjusting a Beckman Model 320D Industrial Gas Chromatograph
- 1956 – 1969
Images show a man adjusting the front and underside of the instrument, in a work space containing other, unidentified instruments.
Beckman Instruments entered the gas chromatograph business in 1956 with the acquisition…
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Long reservoir reference electrode #78090V
- 1950 – 1969
- Photographer Dietrich, T. A.
- Subject Electrodes, Beckman Instruments, Inc.
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Linearity Test - Rectilinear Cermet potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Ceramic metals, Potentiometer, Beckman Instruments, Inc.
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Industrial Instruments Type DR51D Decade Resistance
- 1950 – 1969
In 1965, Beckman Instruments acquired Industrial Instruments, Inc. The Cedar Grove, New Jersey-based company manufactured solution conductivity analyzers and other industrial instruments.
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Incrementing voltage reference photograph
- 1950 – 1969
This image was likely used as a reference for the arrangement of Beckman/Helipot voltage regulator microcircuits on a circuit board.
- Photographer Hess Photographic
- Subject Microelectronics, Voltage regulators, Beckman Instruments, Inc.
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Helitrim trimming potentiometers group shot
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim trimming potentiometers applied to a circuit board
- 1950 – 1969
This photograph shows Helipot trimmers on a circuit board.
- Photographer Dietrich, T. A.
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Trimming Potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Trimming Potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Series 63 trimming potentiometer
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Series 55 trimming potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Series 50 trimming potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 79 and 77 trimming potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Herb Radin and Associates
- Subject Potentiometer, Beckman Instruments, Inc.
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Helitrim Models 78P, S, and L trimming potentiometers
- 1950 – 1969
Potentiometers regulate the flow of electricity, like the volume dial on a radio. In 1940, Arnold O. Beckman was unsatisfied with dials on the market, so he designed his own helical potentiometers, or helipots, for use…
- Photographer Armstrong & Hess
- Subject Potentiometer, Beckman Instruments, Inc.