"In our product, the cap serves as a scale ruler and the fountain pen resides inside until you pull it out to use it. You only need Escala for taking measurements and making annotations at the ...

Design group ENSSO has launched a “scale ruler fountain pen” for architects, featuring 12 imperial and metric scales. Having launched on Kickstarter, the pen is now available for pre-order ...

The Smart Scale ruler is currently working with Kickstarter and accepting pre-orders at the beginning of April 2018. [Update: The Smart Scale Kickstarter has now launched! You can order yours here.] ...

For the metric scale to be more accurate than the Imperial scale, the length of the 500 g sliding arm would have to be doubled to accommodate 100 graduations so as to give a 5 g absolute margin of ...