Wischnegradsky, J [Vyshnegradskii, I. A.] . Sur la theorie generale des regulateurs. In: Comptes Rendus de l'Académie des Sciences de Paris, Vol. 83, 1876, p.318-320, (translated here: On the General ...

Captain Marvel was once upon a time in the 1940's a superhero more popular than Superman, though Superman is the obvious victor over time (and a long time at that). I don't know what Captain Marvel is ...

Rare, scarce, interesting, and unusual books for sale, mostly in the history of physics, math, and technology. The bookstore site is part of a larger daily blog for the History of Holes, Dots, Lines, ...

These wonderful images of the aurora borealis occurs as plate 4 and a text illustration on page 113 in Amedee Guillemin (1826-1893) and edited by Silvanus P. Thompson (1851-1916), the lovely ...

The London, Edinburgh, and Dublin Philosophical Magazine and Journal of Science, conducted by David Brewster, Richard Taylor, Richard Phillips, and Robert Kane, volume XVIII, January-June 1841, and ...

Here's the lead on a short post I made a few years ago on a Dublin tour: I just came across these image that I made on a trip to Dublin some years ago. Carrying the bags for my wife, Patti Digh, who ...

So this is a loose-and-pulled-thread post--I bumped into something that led me somewhere coming face-to-face with an interesting reference to an unusual "first" in the history of cartography. I found ...

John Dewey. Mental Development. Published by the University of Chicago, Department of Philosophy and Pedagogy. 1900 18 leaves, plus cover. Mimeographed or rapid reproduction, typescript, bound with ...

Krakatoa: three early papers on the eruption: ...

Sylvian Kindall's Total Atomic Defense (published by a very severely right-wing publisher in 1952) is one of a series of books made for a deceived American population, offering the general reader both ...

At point point in 1944, there were 4,890 American B-17s in service (as part of an overall artime production of 350,000 aircraft). This is what 4,890 B-17s might look like: ...