Radio engineering laboratories - short wave apparatus and amateur high frequency equipment
- Trade Catalogues and the American Home
You may need to log in to continue. Access the full document and its details.
Keyboard shortcuts can be used to navigate aspects of this site without a mouse or cursor.
When viewing a document, select or tab into the image viewer and use the following controls to manipulate the image.
- Move up: w or [up arrow]
- Move down: s or [down arrow]
- Move left: a or [left arrow]
- Move right: d or [right arrow]
- Return to centre: 0
- Zoom in: = or [shift] + w or [shift] + [up arrow]
- Zoom out: - or [shift] + s or [shift] + [down arrow]
- Rotate clockwise: r
- Rotate counterclockwise: R
- Flip horizontally: f
