Tube powered METAL DETECTOR 1954 How-To build PLANS

Description

Tube powered METAL DETECTOR 1954 How-To build PLANS
Tube powered METAL DETECTOR 1954 How-To build PLANS
Click image to enlarge
Description
Plans to build a Tube powered Metal Detector.
This electronic locator consists of two integrated circuits, a Harley oscillator and a super-regenerative receptor.
Can be used to find electric cables, plumbing, and other concealed metal objects.
These plans are from 1954 so you should be prepared to substitute, or search for needed componets.
Tubes required 2 - 1T4.
This is an original 3+ page magazine article from 1954.
We do not photocopy these.
Article Includes
Schematic Drawings and Photos
Complete Instructions
Materials List
Payment
Payment: by Paypal, Visa, Mastercard, Discover, American Express, Apple Pay, G Pay, accepted thru eBay. Items shipped upon receipt of payment.
Shipping
Multiple Items
may be grouped to save on shipping. When buying more than one item please use the shopping cart for the best shipping price.
Rates:
.00 for USPS first class / or media mail service
.70 for priority mail service.
.00 for Canadian shipping
.00 other International shipping
About Us
Grandpa's Secrets
Discover a Wealth of How-to Projects
& Plans from a Bygone Era.
Explore our Scientific & Mechanical
History in Vintage Hobby, Craft,
& Technical Magazine Articles.
Images sell!
Get Supersized Images & Free Image Hosting
Create your brand with Auctiva's
Customizable Templates.
Attention Sellers - Get Templates
Image Hosting, Scheduling at Auctiva.com.