Martin Kotler, a conservator of picture frames at the Smithsonian American Art Museum, will be leading a tour through the Renwick Gallery’s Grand Salon this Wednesday (at noon) to discuss not ...

On that day, there will be 10 hand-built classic bicycles from legendary American frame builders on display. “We did an event like this last year, featuring Italian bikes,” said Chris Salisbury.

In the operation of quilting or embroidering on a large scale, a frame is required to hold the cloth or material that is to be worked upon quite tight, so that it shall not yield much from the ...