NUMBER	SCANNED FILES					DESCRIPTION
19000	GBW			RCCL		Geothermal Area Test Desk Cord Circuits (See GBW10452).
19010	GBW		GBX	RCCL		Geothermal Area Switching Circuit for Transfer of Test Selector (See GBW 10470).
19020	GBW		GBX	RCCL		Geothermal Area Test Rack Lines to Test Selector (See GBW 10841).
19030	GBW	GBU	GBX	RCCL		Geothermal Area Faultmans Lines (See GBW 10490).
19040	GBW		GBX	RCCL		Geothermal Area Service Telephone Interception (See GBW 10520).
19050	GBW			RCCL		Geothermal Area Switching Key for NU Tone (See GBW 10530).
19060	GBW	GBU		RCCL		Geothermal Area Test and Plugging-Up Lines (See GBW 10541).
19070	GBW		GBX	RCCL		Geothermal Area Alarm Extension Originating Exchanges (See GBW 10650).
19080	GBW		GBX	RCCL		Geothermal Area Alarm Extension (See GBW 10580).
19090				RCCL		Geothermal Area Test Rack Test Circuit (See GBW 10591).
19100	GBW		GBX	RCCL		Geothermal Area Transmission Testing of Subs Apparatus (See GBW 10610).
19110	GBW	GBU		RCCL		Geothermal Area Graduated Howler (See GBW 108220.
19120	GBW			RCCL		Geothermal Area Test Interception Circuit (See GBW 10950).
19130	GBW			RCCL		Geothermal Area Test desk Night Alarm Circuit (See GBW 11010).
19140	GBW		GBX	RCCL		Geothermal Area Test Desk Lines to Test Selector (See GBW 11432).
19150	GBW			RCCL		Geothermal Area Test Desk Pilot and Night Alarm (See GBW 11441).
19160	GBW			RCCL		Geothermal Area Test Desk Testing Circuit to TJF (See GBW 11471).
19170	GBW			RCCL		Geothermal Area Tester for Rural Final Selectors (See GBW 11590).
19190	GBW		GBX	RCCL		Geothermal Area Fault Service Turret (See GBW 12511).
19200	GBW		GBX	RCCL		Geothermal Area Concentrating and Busying Circuit (See GBW 12710).
19290	GBW		GBX	RCCL		Geothermal Area Emergency Technicians Telephone Interception (See GBW 12970).
19300	GBW			RCCL		Geothermal Area Auto Power Plant Control Cubicle.
19310	GBW	GBU		RCCL		Geothermal Area O/G Junction Busying Circuits (See GBW 15740).
19320	GBW			RCCL		Geothermal Area Tester for Line Fuses (See GBW 16080).
19360	GBW			RCCL		Geothermal Area Test Desk Test Circuit (See GBW 16260).
19390	GBW			RCCL		Geothermal Area Test Circuit for Receivers and Oscillators (See GBW 16570).
19400	GBW					Geothermal Area Externally Mounted Jacks, Dust Proofed Racks.
19410	GBW			RCCL		Geothermal Area Ringing Tones & Pulses, Test, Control & Alarm Circuit.
19420				RCCL		Geothermal Area Ringing Tones And Meter Pulse, Machine (See GBW 15241).
19430	GBW			RCCL		Geothermal Area Routiner Duplicate Display for Group Selectors.
19440				RCCL		Geothermal Area Routiner Duplicate Display for Final Selectors.
19450	GBW			RCCL		Geothermal Area Routiner Duplicate Display for A/A Relay Sets.
19460				RCCL		Geothermal Area Routiner Duplicate Display for DSR Ordinary and Coin Box 200 Outlet.
19470	GBW			RCCL		Geothermal Area Audible & Visible Alarm Scheme for 2, 3 & 4 Floor Exchanges.
19480	GBW			RCCL		Geothermal Area Tester for Auto-to-Auto Relay Sets with Revertive Ringing.
19490	GBW			RCCL		Geothermal Area Auto Telex Service VF Station Line Relay Unit.