On eBay Now...Vintage Plotting And Navigating Instruments / Plotter Collection For Sale
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Vintage Plotting And Navigating Instruments / Plotter Collection:
$25.00
The Vintage Plotting and Navigating Instruments / Plotter Collection consists of various antique and collectible plotting and navigating instruments used in business, industrial, and analytical applications. These historical tools provide insight into the data acquisition and logging techniques of yesteryears, making them valuable pieces for collectors or enthusiasts of vintage technology. This collection may include graphing calculators, drafting tools, and other rare plotting instruments that hold both practical and sentimental value for those interested in the history of measurement and inspection equipment.
Vintage Plotting And Navigating Instruments / Plotter Collection
$25.00
Vintage KAY Electric Co. Mega-Plotter Catalog # 2010 For Smith Charts
$100.00
Vintage DIETZGEN GERMANY Nickel Plated Divider Compass for Plotting 6.5"L
$12.99
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Alarms and Indicator Circuit diagrams- Power supply failure alarm
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- Rain Alarm
- A simple electronic buzzer
- Water Level Indicator with alarm
- Stereo Channel Selector
- Low cost intercom using transistors
- Infrared Head Phones
- Use the CD-ROM drive as a audio CD player without the computer
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- Wiper Speed Control
- Dome Light Dimmer for Cars
- Car anti theft wireless alarm.
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- PC based Frequency Meter
- 7 segment rolling display using PC
- Electronic Scoring Game
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- Flashy Christmas Lights
- TV remote control blocker
- Light Flasher (blinking lights)
- Automatic Dual output Display
- Emergency Light
- Automatic Room Lights
- Running Message Display
- Automatic Speed Controller for fans & Coolers
- Soft Button type Motor Direction Controller
- Super simple stepper motor controller
- Discrete component motor direction controller
- Negative supply from single positive supply
- Self switching Power Supply
- Ultra low drop linear voltage regulator
- Car anti theft wireless alarm.
- Long range FM transmitter
- Remote control using VHF modules
- 40 meter Direct Conversion Receiver
- Remote control using VHF modules
- Remote control using telephone
- A simple Remote control Tester
- Clap Activated Remote
- Radio Remote Control using DTMF
- Ultrasonic switch
- Magnetic proximity sensors
- Dew sensor
- Color Sensor
- Metal Detector
- Optical toggle switch using a single Chip
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- Having secrecy in parallel telephones
- Telephone call meter using calculator & COB
- High Resistance Voltmeter
- A simple Remote control Tester
- Contactless Mains Voltage Indicator
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