An 1851 ink-and-watercolor gift drawing titled A Type of Mother Hannah’s Pocket Handkerchief by Polly Jane Reed, a Shaker in New Lebanon, New York. Andrews Collection, Hancock Shaker Village, ...

PDF files have become ubiquitous in our multi-platform world. This convenient file format makes it possible to view and share documents across various devices using various operating systems and ...

SolidWorks (stylized as SOLIDWORKS), is a solid modeling computer-aided design (CAD) and computer-aided engineering (CAE) software program that runs on Microsoft Windows. The SolidWorks is produced by ...

The design of complex and high-performance optical assemblies is greatly simplified by the availability of a wide range of sophisticated software packages, reports The Scott Partnership. Optical ...

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Stop chasing the "magic pen." As a brand consultant, I've seen more bad ideas sketched with expensive tools than I care to count. The right pen isn't about price; it's about purpose. Here’s my ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...