JF Ptak Science Books
JF Ptak Science Books Quick Post I think that this is the first time I've seen E=mc^2 incorrectly written in the same journal article. It occurs in a filler article in a 1950 slug filler piece in the New York Times (sorry I do not have the exact date/page) reporting on a church near Cologne incising its bell with the world's most famous equation but getting it wrong.
JF Ptak Science Books // Blog Bookstore
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, Science, History, Math, the Unintentional Absurd & Nothing |1.8 million words, 7000 images, 4.6 million hits, and 4600+ posts over 11 years| Press & appearances in …
Estimating Casualties in the Invasion of Japan, July/August 1945
In other words, we shall probably have to kill at least 5 to 10 million Japanese. This might cost us between 1.7 and 4 million casualties including [between] 400,000 and 800,000 killed." “W. B. Shockley to Edward L. Bowles, 21 July 1945, "Proposal for Increasing the Scope of Casualties Studies," Edward L. Bowles Papers, box 34, Library of ...
About this Place - JF Ptak Science Books
JF Ptak Science Books began in 1983 and operated an open shop in Georgetown, Washington D.C. from 1985-2002. From 2003-2009 we operated a shop in the heart of the mountain city of Asheville, North Carolina; from 2009 to now all of our business has been conducted online. We specialize in unusual, rare and unique material in the sciences and the ...
JANCFU on Yellow: Nagasaki, August 9, 1945 - JF Ptak Science …
2015年8月9日 · JANCFU on Yellow: Nagasaki, August 9, 1945. JF Ptak Science Books Post 2515 [Part of the Atomic and Nuclear Weapons Series] Somewhere between transporting the Fat Man bomb to the loading lift and raising it up into the bomb bay of Major Charles Sweeny's B-29 Superfortress Bockscar, it acquired a stencil-painted acronym: JANCFU, right on its nose.
Pioneering Effort on a Circular-Winged Aircraft (1909)
Pioneering Effort on a Circular-Winged Aircraft (1909) Claude Auguste Joseph Givaudan's handiwork was presented in the June 5, 1909 issue of Scientific American as part of a longer article on the history of human heavier-than-air motorized flight. The image is, well, engrossing. It is both pretty and then not so much in a double-ended sausagey ...
An Alphabet of the Opening Lines of Charles Dickens' Works
JF Ptak Science Books Post 2532. I was thinking about the opening line from Dicken's Tale of Two Cities, yesterday, one of the author's great books, and probably one of his greatest sentences, period.This longish, single-sentence opener is 115 words long and punctuated with 16 commas, most of which are in the first half of the sentence, and all of which seem to work together like a piece of music.
Two Very Early Los Angeles Maps, 1850-1855 - JF Ptak Science …
From the first scientific rendering of Los Angels in 1850 comes the first view of the city--it is tiny by the modern standards of a small time but here in 1855 it was fairly well seasoned and developed, with at least 100 structures. The first L.A. bird's eye view appeared in the great survey of possible routes for the transcontinental railway ...
The Color Blind Geometer and the Color-Coded Euclid
The great mathematician Moritz Cantor, in his Vorlesungen über die Geschichte der Mathematik (vol. II, pp 265-8, translated by Richard Froese) says the following of Ratdolt:Already in our investigations of Regiomontan, we were obliged to leave Germany with him, and look around in …
The First Weather Map Printed in the U.S. (1838) - JF Ptak …
This is the first weather map printed in the U.S. (The first weather map (s) to be printed by the U.S. government occurred with the same author, in 1850, in ESPY, James Pollard. (1785-1860) Letter of the Secretary of the Navy Transmitting the Report [containing] Second Report on Meteorology to the Secretary of the Navy (which is actually the ...