A.T. & T. Specifications, 1917-1939, telephone station wiring, signs, switching

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A.T. & T. Specifications, 1917-1939, telephone station wiring, signs, switching:
$325.00

Binder with 33 specification documents, from estate of A.T.&T. executive.In order of appearance, they are:* 3859 Station Wiring Plans Feb\'37 Supplement D 12 pages.* 3859 Station Wiring Plans Sep\'30 Supplement B 40pp.* 3859 Station Wiring Plans July\'35 Supplement C 15pp.* 3859 Station Wiring Plans Mar\'25 Supplement AE 2pp.* 3859 Station Wiring Plans Feb\'31 Supplement BE 5pp.* 3859 Station Wiring Plans Apr\'31 Supplement CE 5pp.* 3859 Station Wiring Plans Jan\'36 Supplement EE 3pp.* 3859 Substation Wiring Plans Aug\'22 44pp.* 3918 Substation Protection Jun\'25 Supplement AT 14pp.* 3918 Substation Protection Sep\'17 6pp.* 3928 Open Wire Construction Sep\'29 Supplement F 8pp.* 3928 Open Wire Construction Sep\'26 Appendix 1 107pp.* 3933 House Cable Placing Feb\'39 Supplement CX 1pp.* 4170 Station/PBX Protection Installation Dec\'24 Supp. A 8pp.* 4170 Station/PBX Protection Installation Jan\'26 Supp. B 12pp.* 4170 Station/PBX Protection Installation Mar\'30 Supp. AT 9pp.* 4170 Station/PBX Protection Installation Apr\'22 38pp.* 4300 Telegraph Stations (manual) Apr\'24 75pp.* 4410 Stations: #523 Type Subscriber Sets Sep\'25 Supp. A 26pp.* 4547 Stations: #1 & #2 Order Turrets Apr\'26 34pp.* 4455 Public Telephone Signs Jan\'26 Supplement AE 4pp.* 4455 Public Telephone Signs Jan\'30 Supplement BE 7pp.* 4455 Public Telephone Signs July\'25 18pp.* 4566 Machine Switching Stations Aug\'28 Supplement A 4pp.* 4566 MSS: Dial Stations Nov\'27 Supplement BE 5pp.* 4566/4588 Dial/Manual Com. Battery Sta. Nov\'30 Supp. C 9pp.* 4566 Dial Station Head Receivers Jun\'31 Supplement CE 3pp.* 4566/4588 Dial/Manual Com. Battery Sta. Dec\'30 Supp. D 14pp.* 4566 MSS: Backboards Jan\'30 Supplement DE 2pp.* 4566 MSS: PBX Dial Maintenance Jan\'30 Supplement EE 7pp.* 4566 MSS: Relay Areas in Elec. Zones Jan\'30 Supp. FE 23pp.* 4566 Machine Switching Stations Jan\'30 Supplement GE 3pp.* 4566 Machine Switching Stations Feb\'26 116pp.

On Jun-15-16 at 15:22:44 PDT, seller added the following information:

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