An Introduction to SQL for Librarians

An Introduction to SQL for Librarians By Ruth Kitchen Tillman Why are Librarians Suited to SQL? Because querying information is what we do. You’ve thought “ok this is what I want, now where do I go to get it and what should I put into the fields?” In many cases we’re already doing mediated queries…

The Preservation of Glass Plate Negatives

by Greta Bahnemann Almost all archives possess some type of photographic collection. Many individuals typically think of “photographs” as plastic-based negatives and slides; but these photographic techniques are relatively recent inventions. Prior to the invention of cellulose nitrate film in 1903, photographic emulsions were made on glass supports. These glass supports are typically referred to…