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Radio Insulators²
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·Back Cover
Pyrex Radio Insulators
Lead-in to an antenna coupling house through a Pyrex Navy Deck Type Entering Insulator

The antenna suspension is fixed at one tower and the tension is controlled by a winch connecting with the other end which extends down from the other tower. A freely suspended weight of 2700 lb. holds the antenna taut and provides "give" under wind action. The three PYREX Navy Type Strain Insulators on the tension line are set between triangular plates to distribute the pull equally among them.
    The second view shows the lead-in to the antenna coupling house through a PYREX Navy Deck Type Entering Insulator. The line is insulated by the two 30-in. PYREX Navy Type Strain Insulators connected in series.