Folder Bell Telephone Quarterly / Bell Telephone Magazine

Renamed from BTQ to BTM in 1941.

Documents

pdf 47 48 Winter BTM P180 - Nationwide Operator Toll Dialing Popular

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47_48_BTM_win_p180_Nationwide_Operator_Toll_Dialing.pdf

47 48 Winter BTM P180 - Nationwide Operator Toll Dialing

Bell Telephone Magazine.

pdf 47Autum BTM P127 Plastics In Telephone Plant Popular

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47Autum_BTM_P127_Plastics_In_Telephone_Plant.pdf

47Autum BTM P127 Plastics In Telephone Plant

"Plastics -- Their Growing Use in Telephone Plant"  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 48Spring BTM P9 Public Telephones Popular

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48Spring_BTM_P9_Public_Telephones.pdf

48Spring BTM P9 Public Telephones

"Public Telephones: They Serve Everybody"  Bell Telephone Magazine.  Booths, Telemobile, Telecart. Contributed by Chuck Hensley.

pdf 49 Spring BTM P66 - The Winter's Toll (Winter Storms) Popular

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BTM 1948~1949 Winter Storms (Microsoft Digitalized).pdf

49 Spring BTM P66 - The Winter's Toll (Winter Storms)

Bell Telephone Magazine, Spring 1949, "The Winter's Toll Was Heavy From Texas to the Dakotas" plus a bonus - "It Was a Tough Winter."  Contributed by Steve Cichorsky.

pdf 49Autum BTM P154 WeCo Telephone Refurbishment Popular

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49Autum_BTM_P154_WeCo_Telephone_Refurbishment.pdf

49Autum BTM P154 WeCo Telephone Refurbishment

"Giving New Life to Old Equipment" Bell Telephone Magazine.  28  distributing houses.  Contributed by Chuck Hensley.

pdf 52 Summer BTM - Bell System Prototypes Popular

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Bell Prototypes BTM 1952.pdf

52 Summer BTM - Bell System Prototypes

"Wireless (Cordless) Telephone, Answering Machine, "Distant Talking" Telephone (Speakerphone) - Photos from Bell Telephone Magazine, Summer 1952. Contributed by Steve Cichorsky.

pdf 52Summer BTM P87 Bell System Practices Popular

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52Summer_BTM_P87_Bell_System_Practices.pdf

52Summer BTM P87 Bell System Practices

"The Bell System's Best Sellers"  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 54Spring BTM P51 Answering Set Photos Popular

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54Spring_BTM_P51_Answering_Set_Photos.pdf

54Spring BTM P51 Answering Set Photos

1-type answering set, Peatrophone.  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 55Summer BTM P129 Designing the Telephone (500-series) Popular

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55Summer_BTM_P129_Designing_Telephone.pdf

Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 55Winter BTM P232 Standardized Telephone Numbers Popular

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55Winter_BTM_P232_Standardized_Telephone_Numbers.pdf

"What's Your Telephone Number?"  History and evolution of telephone numbers.  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 57Summer BTM P20 Developing Consumer Products Popular

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57Summer_BTM_P20_Developing_Consumer_Products.pdf

57Summer BTM P20 Developing Consumer Products

Extract describes projects in the "model shop" and has photos of the bedroom set (Princess), Wall dial-in-handset, modular keyset (Call Director-style) and desk drawer installation.  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 59Winter BTM P6 Area Codes And ANC Popular

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59Winter_BTM_P6_Area_Codes_and_ANC.pdf

59Winter BTM P6 Area Codes And ANC

"New Numbers for Tomorrow's Telephones" includes a numbering plan map of the US and benefits of All Number Calling.  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 60Winter BTM P32 Field Trial Telephones Popular

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60Winter_BTM_P32_Field_Trial_Telephones.pdf

60Winter BTM P32 Field Trial Telephones

Bell Telephone Magazine, winter 1960.  Two pages showing products in trial at the time, including compact wall phone, desk top switchboards, card dialer, dial-in-handset (Shmoo), touch tone sets (coin collector, desk, wall, Call Director, Princess), Dataspeed, Bellboy and a phone booth.    Contributed by Chuck Hensley.

pdf 61Spring BTM P32 Farm Interphone Popular

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61Spring_BTM_P32_Farm_Interphone.pdf

61Spring BTM P32 Farm Interphone

"A New Voice for the Farm"  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 61Summer BTM P10 Centrex Popular

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61Summer_BTM_P10_Centrex.pdf

61Summer BTM P10 Centrex

"A New Concept of PBX Service"  Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 61Winter BTM P65 Magnetic Drum Telephone Popular

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61Winter_BTM_P65_Magnetic_Drum_Telephone.pdf

61Winter BTM P65 Magnetic Drum Telephone

Bell Telephone Magazine.  Contributed by Chuck Hensley

pdf 62Autumn BTM P10 All Number Calling Popular

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62Autumn_BTM_P10_All_Number_Calling.pdf

62Autumn BTM P10 All Number Calling

Bell Telephone Magazine.  Contributed by Chuck Hensley

pdf 62Spring BTM P17 Automatic Dialers Popular

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62Spring_BTM_P17_Automatic_Dialers.pdf

62Spring BTM P17 Automatic Dialers

Bell Telephone Magazine.  Contributed by Chuck Hensley

pdf 62Winter BTM P10 101 ESS Popular

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62Winter_BTM_P10_101_ESS.pdf

62Winter BTM P10 101 ESS

Bell Telephone Magazine.  Contributed by Chuck Hensley.

pdf 63Autumn BTM P30 Touch Tone Service is Here Popular

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63Autumn_BTM P30_Touch_Tone.pdf

63Autumn BTM P30 Touch Tone Service is Here

Bell Telephone Magazine.  Contributed by Chuck Hensley.

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