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Folder 310 Division - Private Line Tel Systems & Services

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pdf 310-280-501 I2 Popular

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310-280-501_I2.pdf

310-280-501 I2
310-280-501     19A Testboard - Operational Tests                          2       1966-03-01

pdf 310-281-100 I1 Popular

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310-281-100_I1.pdf

310-281-100 I1
310-281-100     17E Testboard - General Description                    1       1964-09-01

pdf 310-281-300 I1 Popular

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310-281-300_I1.pdf

310-281-300 I1
310-281-300     17E Testboard - Measurement and Adjustment of Pads for the Transmission Measuring Circuit                        1       1964-07-01

pdf 310-281-500 I1 Popular

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310-281-500_I1.pdf

310-281-500 I1
310-281-500     17E Testboard - Measurement and Adjustment of Office Losses                         1       1964-08-01

pdf 310-281-501 I2 Popular

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310-281-501_I2.pdf

310-281-501 I2
310-281-501     17E Testboard - Operational Tests                          2       1966-08-01

pdf 310-282-100 I1 Popular

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310-282-100_I1.pdf

310-282-100 I1
310-282-100     21A Testboard - General Description                    1       1965-11-01

pdf 310-282-300 I1 Popular

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310-282-300_I1.pdf

310-282-300 I1
310-282-300     21A Testboard - Measurement and Adjustment of Transmission Test Trunks                         1       1965-12-01

pdf 310-282-500 I1 Popular

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310-282-500_I1.pdf

310-282-500 I1
310-282-500     21A Testboard - Measurement of Office Losses                         1       1965-12-01

pdf 310-282-501 I1 Popular

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310-282-501_I1.pdf

310-282-501 I1
310-282-501     21A Testboard - Operational Tests                          1       1965-12-01

pdf 310-290-100 I1 Popular

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310-290-100_I1.pdf

310-290-100 I1
310-290-100     Manual Conference Circuit for 4-Wire No. 5 Crossbar Offices With 5C or 5D Switchboard - Description                    1       1964-04-01

pdf 310-290-500 I1 Popular

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310-290-500_I1.pdf

310-290-500 I1
310-290-500     Manual Conference Circuit for 4-Wire No. 5 Crossbar Offices With 5C or 5D Switchboard - Service Maintenance                    1       1964-04-01

pdf 310-291-100 I1 Popular

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310-291-100_I1.pdf

pdf 310-300-300 I1 Popular

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310-300-300_I1.pdf

310-300-300 I1

Contributed by Russ Kirk.

pdf 310-300-500 I4 Popular

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310-300-500_I4.pdf

310-300-500 I4
310-300-500     Two-Point Private Line Telephone Circuits - Over-All Measurements                   4       1962-08-01

pdf 310-300-500 I7 Popular

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310-300-500_I7.pdf

310-300-500 I7

Contributed by Russ Kirk.

pdf 310-305-100 I3 Popular

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310-305-100_I3.pdf

310-305-100 I3

Contributed by Russ Kirk.

pdf 310-405-100 I1 Popular

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310-405-100_I1.pdf

310-405-100 I1
310-405-100     Private Line Telephone Service - Multistation Systems - Description                    1       1957-11-01

pdf 310-405-500 I3 Popular

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310-405-500_I3.pdf

310-405-500 I3
310-405-500     Private Line Telephone Service - Multistation Systems - Tests and Adjustments                    3       1962-08-01

pdf 310-410-100 Add I1 Popular

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310-410-100_Add_I1.pdf

pdf 310-410-100 I1 Popular

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310-410-100_I1.pdf

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