Excellent probes for the tester and other measuring instruments are obtained from … disposable syringes. To do this, in the bottom of a plastic cap with an awl is pierced through hole, and the plastic part of the needle is cut off (shown dashed). Remains dull the needle with a needle file, and to the other end to solder stranded wire, end of which is passed through the cap and in the same way is attached to the second disposable syringe. To get the male connector for connection to the terminals of the measuring device, the needle is wound a copper wire of the desired diameter and sealed. M. POVALYAEV, Yelets
Recommend to read
Bath grate
Over the twenty years since the collapse of the Soviet Union, we have become accustomed to running to the store for ready-made products at the slightest thing. The managers who appeared in...
THE MACHINE CALLS
In most of our schools calls still include the old — fashioned way of push-button attendant or watchman. But this process is not difficult to automate. Proposed device designed for this...
