540 110 Technical pen magnifying glass
Year: 1979

540 110 Magnifying glass

Precision drawing and lettering - down to the smallest detail.
No problem at all with 2x magnifying glass fixed on the pen.
It is an essential item particularly in cartography and surveying.

Beautiful vintage item...rare find today.

For now seen earliest in 1979. documentation.
Existence of 5110 3-digit article number suggest that it was available even before.

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