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Creator Armstrong & Hess Remove constraint Creator: Armstrong & Hess Format Image Remove constraint Format: Image Subject Voltage regulators Remove constraint Subject: Voltage regulators

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    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case microcircuit regulators.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators.

    • 1950 – 1969

    These microcircuits are voltage regulators, which maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.

    • 1950 – 1969

    This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products, in this case voltage regulators. The penny, minted in 1968, establishes the earliest possible date for the…

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices. This photograph is part of a series of marketing images used to demonstrate the small size of Helipot products.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices.

    • 1950 – 1969

    Voltage regulators maintain a constant voltage level in electrical devices. These regulators are pictured on top of the dictionary entry for "voltage regulator," as part of a series of images designed to highlight the…