Editor’s Note[Notice]

Scientia Canadensis Vol 39 No 1 (2016-2017) | Editor’s Note The present issue represents the diversity and depth of the CSTHA community. In his article on magnetic surveys of North America, Matthew Goodman has combined instrument studies and geography to provide a new perspective on the work of John Henry Lefroy. Shifting from land to oceans, Michael Murphy has detailed the history of key technologies developed at the Bedford Institute of Oceanography from its earliest days in the 1960s to the 1980s. In his article, Brendan Cull has brought together the history of photography, botany and international expositions, based on his prize-winning talk at the 2015 CSTHA conference. Philip Enros has provided a historical/critical look at the development of our discipline in Canada with an article about the early years at the Institute for the History and Philosophy of Science and Technology (IHPST), 50 years after its founding in 1967. In addition, we are very pleased to offer thirteen book reviews demonstrating a wide range of studies of Canadian topics in the history of science and technology. Many thanks to our reviewers and the editorial team for bringing this issue together. On the cover / en couverture: Detail, Paul Kane, Canadian, 1810-1871. Scene in the Northwest - Portrait, c. 1845-1846. Oil on canvas. Overall: 55.5 x 76 cm (21 7/8 x 29 15/16 in.). The Thomson Collection © Art Gallery of Ontario, 2009/507. Image © Art Gallery of Ontario. Détail, Paul Kane, Canadien, 1810-1871. Scene in the Northwest - Portrait, c. 1845-1846. Huile sur canevas. Dimensions: 55.5 x 76 cm (21 7/8 x 29 15/16 po.). Volume 39, Number/Numéro 1 (2016-2017)