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Welcome to P K Kelkar Library, Online Public Access Catalogue (OPAC)

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1.
A SINGLE-SIDEBAND SHORT-WAVE SYSTEM FOR TRANSATLANTIC TELEPHONY

by Polkinghorn,F A | Schlaack,N F.

Material type: book Book Description: 20.Publisher: 1935Availability: No items available Damaged (1).

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2.
AN UNATTENDED ULTRA-SHORT-WAVE RADIO TELEPHONE SYSTEM

by Schlaack,N F | Polkinghorn,F A.

Material type: book Book Description: 11.Publisher: 1935Availability: No items available Damaged (1).

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