PURPOSE Many family practitioners prescribe antibiotics for patients with upper respiratory
tract infections (URTIs) to meet patients’ expectations. We evaluated the impact of providing …

This volume contains an introduction to the topic of pertussis followed by twelve papers on
pertussis arising from research conducted while I was a research fellow at St. George's …

Coal char presence in blast furnace dust, indicates the inefficiency of combustion in the
raceway. A retroactive approach has been applied by investigating the presence of carbon …

… I would also like to thank Carol Lucas for her meticulous copy-editing and Carol Marks for
so efficiently typing the index. I am particularly grateful to Basil Greenslade for all his scholarly …

Describes 10 computer programs used to draw diagrams usually drawn on chalkboards,
such as addition of three vectors, vector components, range of a projectile, lissajous figures, …

Lissajous Figures are produced by combining two oscillations at right angles to each other.
The figures, drawn by mechanical devices called harmonographs, have scientific uses, but …

… employees, George Palmer and Thomas Hall, under the name of Palmer and Hall. The firm
became “… The two small Greenslade boys learned about electrostatics when turning its crank. …

The inclined plane is one of the basic building blocks of introductory mechanics, and is so
common in everyday life that we tend not to notice it. The inclined plane in Fig. 1 was just too …

letters to the editor Page 1 Please, look again As usual, we enjoy reading and learning from
articles written by Thomas Greenslade. However, I am bothered by a sentence in “Using …

… Greenslade Jr., “Nineteenth century textbook illustrations XX: The acoustic lens,” Phys. …
Thomas B. Greenslade Jr. is professor emeritus in the physics department at Kenyon and a …