Of course, not the same as the dagger. Nevertheless, its edge— the most vulnerable part of the tool will be reliably protected. This will require a piece of rubber hose or plastic tube (e.g., of the plastic bottle). The rest is clear from the figure.
Recommend to read
“MAGIC” LANTERN
Good help the Modeler will have an overhead projector, which is easy to make yourself. It can be used to increase or decrease to the appropriate size drawings, projecting them on the...
SOFT TWEEZERS
During chemical processing of photographic plates and papers usually use medical tweezers (it can be purchased in the pharmacy). However, the notch in the jaws often damage the emulsion...
