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Three Vintage Test Instruments: Heathkit O-11, Clough-Brengle 79-B & Echoflex T11/1A

Currency:CAD Category:Electronics / Vintage Electronics Start Price:10.00 CAD
Three Vintage Test Instruments: Heathkit O-11, Clough-Brengle 79-B & Echoflex T11/1A
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[?]Live Online Auction Starts In 2026 Oct 13 @ 10:00 (UTC-07:00 : PDT/MST)
Preview: October 10th (10am - 5pm)
Pick ups: October 14th - October 16th (10am - 5pm)

Preview and Pick up location: 27294 Fraser Hwy, Aldergrove, BC V4W 3P8

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This lot comprises three electronic test instruments: a Heathkit Model O-11 laboratory oscilloscope, a Clough-Brengle Model 79-B beat-note audio oscillator, and an HDW-Elektronik Echoflex T11/1A cable reflectometer. The Heathkit O-11 has a circular 5-inch CRT with vertical and horizontal gain, positioning, synchronization, phase, input attenuation, and frequency controls. Model specifications include a 5 MHz vertical bandwidth and a sweep range from 20 Hz to 500 kHz. The Clough-Brengle Model 79-B has a semicircular frequency dial, zero-adjustment and control knobs, line-power switch, and A.F. output. It provides a continuously variable frequency range from 0 to 15,000 cycles per second. The maker's plate identifies serial number 507 and 115-volt, 60-cycle, 40-watt operation. The West German Echoflex T11/1A is a pulse-echo cable fault locator with a CRT display, selectable ranges of 100, 200, and 500 meters and 1, 2, and 5 kilometers, velocity setting, comparator control, and Y-amplifier control. Its label identifies serial number 861772 and 12-volt DC operation.

LOT CONTENTS
Heathkit Model O-11 laboratory oscilloscope
Clough-Brengle Model 79-B beat-note audio oscillator, serial 507
HDW-Elektronik Echoflex T11/1A cable reflectometer, serial 861772

Quantity: 3 instruments
Heathkit Instrument: Model O-11 laboratory oscilloscope
Clough-Brengle Instrument: Model 79-B beat-note audio oscillator, serial 507
Clough-Brengle Power: 115 V, 60 cycles, 40 W
HDW-Elektronik Instrument: Echoflex T11/1A cable reflectometer, serial 861772
Echoflex Power & Origin: 12 V DC; made in West Germany
Condition: As pictured.