The U.S. Copyright Office's circular entitled Copyright Basics and particularly the section on How long copyright protection endures, explain why these images came to belong to the public. In a nutshell, works published prior to 1978 were protected for a maximum of 75 years. See "sources", below for more information on these particular images.
Lantern slides (under development), B&C Art Gallery (new site, under development)
See also Imagery and allied axes: Grazing rights in the public domain, some musical instruments, and scanning old images.
The image directories:
Also, take a look at
Maxim's flying machine
The images in the directories referenced above are from scans by Jessica Reardon (Williams College) and dpd (Williams College and SRU), with some logistic help by Fran Hutchinson (Bay Path College) of images from Webster's New International Dictionary of the English Language, 1911, G & C Merriam Co. Springfield, MA.
Jonathon Litz provided most of the work on the ornamental images, and continues that work on several new collections. To help with this project, please send email to davidDotdaileyAtsruDotedu.
Typically, the original engravings were done by engravers with identities unknown to me.
color and greyscale versions of an engraving (apparently by SFB Morse)
of Noah Webster (from the 1911 Webster's)
Send inquiries to (dpd)
Dailey's home page.