To put it broadly, we might say that a tool is something transparent to its user, while a technology is just the opposite: it is a material grid laid over the world, visible in itself: classificatory, controlling, empowering – and susceptible to a more socially oriented analysis.

— ‘Paper Tools’

• ‘The Book as Instrument: Craft and Technique in Early Modern Practical Mathematics’, BJHS Themes 5 [‘Learning by the Book’, edited by A. Creager, M. Grote and E. Leong], pp. 111–129 [DOI]

• ‘More than a Manual: Early-Modern Mathematical Instrument Books’, History of Knowledge: Research, Resources, and Perspectives, 4 October 2018 [LINK]

• ‘Paper Tools’, Studies in History and Philosophy of Science 64 (2017) 53–63 [DOI]

• ‘Reverse-printed paper instruments’, Bulletin of the Scientific Instrument Society 128 (2016), pp. 36–42 [PDF]

• ‘Critical Editing of Early-Modern Astronomical Diagrams’, Journal of the History of Astronomy 41 (2010), pp. 393–414, with N. Jardine [PDF]