"Fountain pens and scale-rulers are two fundamental tools for architects ... Made of aluminium and anodised in matte black, the pen cap is engraved with 12 of the most common scales used by ...

the scale of the ordinary ruler is a black line with a width of about 0.3 mm, whereas the 'real ruler' has a black line. You can see that the boundary between the black-painted surface and the ...

If you use rulers on a daily basis or need to upgrade your existing measuring stick, you might be interested in the T3 scale aluminum metal ruler set which comprises of three rulers that combine ...