April 25, 2019
Welding with Liquid
In heritage conservation, broken metal objects can be reassembled with an adhesive most commonly used for repairing glass and ceramics.
April 22, 2019
Conserving the Spider Press
Used extensively in the 19th century, this type of hand-operated press printed secure financial documents using the intaglio method.
April 1, 2019
How Does $ = Dollar?
How on earth did an “S” with a line or two through it come to represent a dollar? Any ideas? No? That’s OK, you’re in good company.