The experimenters; a study of the Accademia del cimento

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
Baltimore : Johns Hopkins Press, [1971]

The experimenters; a study of the Accademia del cimento

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
Baltimore : Johns Hopkins Press, [1971]

The history of the barometer.

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
Baltimore : Johns Hopkins Press, 1964.

A history of the theories of rain and other forms of precipitation

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
New York : F. Watts, [1966, c1965]

A history of the thermometer and its use in meteorology

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
Baltimore : Johns Hopkins Press, [1966]

Lorenzo Magalotti at the court of Charles II : his Relazione d'Inghilterra of 1668

Magalotti, Lorenzo, conte, 1637-1712.
Waterloo, Ont. : Wilfrid Laurier University Press, 1980.

Meteorological instruments

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998, author.
Toronto : University of Toronto Press, 2018.
Third edition revised.

Pierre Bouguer's optical treatise on the gradation of light

Bouguer, M. (Pierre), 1698-1758, author.
Toronto : University of Toronto Press, [2018]

Radar development in Canada : the Radio Branch of the National Research Council of Canada, 1939-1946

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998.
Waterloo, Ont. : Wilfrid Laurier University Press, 1981.

Vision Through the Atmosphere

Middleton, W. E. Knowles (William Edgar Knowles), 1902-1998, author.
[Place of publication not identified] : University of Toronto Press, 2017.