IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. These clear plastic instruments are ...
Click to see a step-by-step slideshow. STEP 1: This is what to do when you know the length of 1 side and the 2 angles at each end of it: here 8 cm, 40° and 50°. Draw an 8 cm line using a pencil and ...
The U.S. Patent and Trademark Office on Tuesday issued Apple a patent for an app and GUI pertaining to multitouch virtual drafting tools, like rulers and protractors, which can be applied to portable ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback