Title
Lee De Forest: King Of Radio, Television, And Film
Delivery time: 8-12 business days (International)
The Lifelong Inventor, Lee De Forest Invented The Threeelement Vacuum Tube Used Between 1906 And 1916 As A Detector, Amplifier, And Oscillator Of Radio Waves. Beginning In 1918 He Began To Develop A Light Valve, A Device For Writing And Reading Sound Using Light Patterns. While He Received Many Patents For His Process, He Was Initially Ignored By The Film Industry. In Order To Promote And Demonstrate His Process He Made Several Hundred Sound Short Films, He Rented Space For Their Showing; He Sold The Tickets And Did The Publicity To Gain Audiences For His Invention. Lee De Forest Officially Brought Sound To Film In 1919. Lee De Forest: King Of Radio, Television, And Film Is About Both Invention And Early Film Making; De Forest As The Scientist And Producer, Director, And Writer Of The Content. This Book Tells The Story Of De Forests Contribution In Changing The History Of Film Through The Incorporation Of Sound. The Text Includes Primary Source Historical Material, U.S. Patents And Richlyillustrated Photos Of Lee De Forests Experiments. Readers Will Greatly Benefit From An Understanding Of The Transition From Silent To Audio Motion Pictures, The Impact This Had On The Scientific Community And The Popular Culture, As Well As The Economics Of The Entertainment Industry.
By changing our most important processes and
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Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
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We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
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Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.