R4NAF

Hello, friends. Recently, a car camera was purchased. Works well, the quality of shooting is good, compresses the video codec .264. Removes immediately to 2 lenses, on the built-in and on the remote. The shooting is carried out both in front of the car, and behind.

But there are some disadvantages to this camera: Continue reading →

Educational telegraph key produced by the DOSAAF plant in Kiev, the USSR. The key is reliable, sound. One of the best keys, mass produced in the USSR. The manipulator is made of steel strip with stiffeners. The body is made of bakelite or very hard plastic. In the complete set with a key there is a wrench for fixing the adjustment. The handle of the manipulator is monolithic with a skirt. The skirt has a large diameter, which is convenient for novice telegraphists. The casing of the telegraph key has 4 holes for fixing the key to the table.

Continue reading →

Teaching telegraph key. There is such a telegraph key, produced by the USSR. The key has a convenient but not reliable adjustment, since screws are used in the adjustment with standard thread and pitch. There would be screws with a shallow step, it would be much better and more convenient. The manipulator is resilient, although it is made of a thin metal strip, without facets. At the handle of the manipulator is a handle, with a composite skirt. The skirt is made of cardboard. Sometimes the skirt leaves its native place or bends, it takes a skirt to make a new one. The casing of the telegraph key has 4 holes for fixing the key to the table.

Continue reading →