About code locks wrote more than once. However, most of them are difficult to repeat. Design suggested by our Bulgarian friends (the journal “Radio Television Electronics”), devoid of this shortcoming. For opening this lock simply insert the key and complete the circuit with the resistor R1 a certain value (it is mounted in the housing of the key). If the resistance will be different from that specified on the schematic, the relay does not work and the lock will not unlock.BONE — IN!
The configuration and structure of many fruit seeds and nuts are so beautiful that they are often used for making various kinds of jewelry and craft projects. And for clothes of coarse fabric, a cloth, knitted products from them you can make some decorative buttons. Bones, the shell is carefully polished and coated with lacquer Read more…
At the end of the 1960s, the army command of Germany felt it necessary to replace the long-standing armed Bundeswehr tracked armoured personnel carriers M 113 American production and the French “Gocci”. It was assumed for this purpose to develop a new wheeled armored vehicle with a carrying capacity of two tons, besides floating.
On a frugal family night, guests brought a nice box of chocolates confectionery factory “Magician”. The mistress liked being in her truffles, and I was interested in the package: too unusual it seemed. To open it, without breaking the appearance, was not just because there was no usual bends, valves or traces of glue. Careful inspection helped to understand just what the box somehow folded from a single sheet.
The fixture is designed without a preliminary marking to make notches in the hubs of the propeller blades.