01 January (Argentina ) within release Decade won goes into circulation Stamp Program "Argentina works" face value 5 Argentine peso
Stamp Program "Argentina works" in catalogues | |
---|---|
Michel: | Mi:AR 3548y |
Gz (Cefiloza): | Gz:AR 3370A |
Stamp is vertical format.
Also in the issue Decade won:
Stamp Program "Argentina works" it reflects the thematic directions:
A gear is a rotating circular machine part having cut teeth or, in the case of a cogwheel or gearwheel, inserted teeth (called cogs), which mesh with another (compatible) toothed part to transmit rotational power. While doing so, they can change the torque and rotational speed being transmitted (in inverse proportion) and also change the rotational axis of the power being transmitted. The teeth on the two meshing gears all have the same shape