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BUILD A BUCHER CRYSTAL RADIO QRM REJECTOR!! Elmer E. Bucher (pronounced, “boo-cherâ€) was an instructing engineer at the Marconi Wireless Telegraph Co. of America in the very early pioneering days of radio just after the turn of the 20th Century. Mr. Bucher was a great mentor to thousands of early amateur and professional operators in the fields of wireless telegraphy and radio. His mentoring was so well known that even today, Radio Amateurs who mentor novices in getting their “Ham†licenses are commonly called, “Elmers.†His book, “Practical Wireless Telegraphyâ€, was published from 1917 to 1920 and covered everything from batteries and magnets to setting up and operating a complete wireless station. In his own words, “…The author has endeavored to give the non-technical student and the practical telegraphist an understanding of the functioning of present day commercial wireless telegraph apparatus….†This very effective wave trap, notch filter, or “QRM Rejector†is named after Complete kit including all parts and easy to follow instructions (Crystal set radio wavetrap kit was posted and is owned by: Amalia Hampton) |
amalia_hampton@chicagopartsnetwork.com (Amalia Hampton) for more information.
