Boxes of nails and screws love to fall to the floor. This can happen by careless movement of the hand, and vibration of the table. However, if a box mounted on a vertical hinge bottom cover of a table or workbench, it will get rid of this bad habit. Rotate it around the hinge… and it will disappear under the top or will appear again.
Recommend to read
FLOUR GRINDER…
Increasingly, the editor receives letters and phone calls with the same request — to publish drawings and to talk about how to make your own hands a simple mill. The need for this device...
GARLAND BURN ON COMMAND
This switch Christmas garlands periodically includes four groups of lamps. The switching frequency can be changed within wide limits by the variable resistor R5 (see diagram). ...
