TWO-HANDED FILE

DUAL FILENot so easy to prepare items large drachevym file. Most often, the difficulty lies in the fact that such a large tool is uncomfortable to hold only right hand and only press the top left — need a second handle. Hastily it is possible to make a standard clamp, if you secure it to the file, as shown in the figure.
 
I. GALKIN, Moscow

Recommend to read

  • “PILOTAGE” AQUADROME“PILOTAGE” AQUADROME
    Barely touching the redan to the water surface, sometimes on one rowing screw, is worn on aquadrome models class FSR. Speed, maneuverability, dynamics and seaworthiness of the glider —...
  • LIGHT TELEGRAPHLIGHT TELEGRAPH
    Someone who knows Morse code or just going to study it, can build a simple device, shown in the figure. On a plywood Board install the battery B and the lamp L of the flashlight. Contactor...