Here is the manufacturers instruction manual for the Harris RF Communications model RF-104 1KW HF linear power amplifier. The manual includes general information, installation, operation, technical description, troubleshooting and service information. There are block diagrams, schematics, parts lists, printed circuit assembly drawings and other information. In the photos are the table of contents and some examples of included information. The book is in good shape although used there are no known stains or tears in the cover or pages, it has a sticker that says 'training' on the upper right corner of the front cover. A hard copy book is nice to have. If you have the equipment this is a handy book to have. There is no international shipping on this item.