The batteries for flashlights are produced not only flat, but the “finger” (in the form of a cylinder) — they are easy to embed in any compact devices.
I propose to equip the wooden stick kind of a built-in flashlight. It is enough to drill in the handle corresponding holes under the batteries, reflector, and switch. With such cane to the elderly and disabled will be easier to move around in the dark.
V. GOLOVASHIN, R s b n o e, Ryazanskaya obl.
Recommend to read
WINDSURFER… WITH OARS
The sailboard has gained enormous popularity today. More and more bodies of water “bloom” with its bright triangles in the summer. However, when there is no wind, windsurfers and their...
Mini tractor: from design to plowing
"Manual labor — to the shoulders of machines!" — under this headline, materials from the All-Union Conference of VISKHOM named after V. P. Goryachkin were published in our magazine (see...
