Appendix B: Image credits

Everything in this book that is not listed below, the text, the figures, the photographs and the animations, is our own work and is released under the Creative Commons Attribution 4.0 licence (CC BY 4.0). You may copy, adapt and reuse it for any purpose, commercial or not, as long as you credit the book.

Most figures in this book are our own drawings, made either with python scripts or manual vector graphics. The figures listed here contain, in whole or in part, work by others that is shared under an open licence. We thank the authors for making it available.

A figure that contains material under a share-alike licence (CC BY-SA) is itself released under the same licence.

Figure	Content	Author	Source	Licence
Figure 3.16.2	Right-hand rule for the cross product, drawing	Acdx	Wikimedia Commons	CC BY-SA 3.0
Force Vectors, opening photograph	Liebherr tower crane at the reconstruction of GES-2 in Moscow, photograph	Dmitry Ivanov	Wikimedia Commons	CC BY-SA 4.0
Figure 4.4.1	Right-hand rule for the cross product, drawing (right)	Acdx	Wikimedia Commons	CC BY-SA 3.0
Figure 4.4.1	Right-hand grip rule, drawing (left)	Wizard191, after Schorschi2	Wikimedia Commons	Public domain
Figure 5.6.16	Sheet winch on a sailing boat, photograph	Jeuwre	Wikimedia Commons	CC BY-SA 4.0
Figure 5.5.8, Figure 6.3.32	Tractor drawing, cropped and mirrored	Twitter, Inc. (Twemoji)	Wikimedia Commons	CC BY 4.0
Figure 6.3.21	Airbus A380, top view from a three-view drawing	Adam001d	Wikimedia Commons	CC BY-SA 3.0
Figure 6.3.21	Saab JAS 39 Gripen, top view from a three-view drawing	Kaboldy	Wikimedia Commons	CC BY-SA 3.0
Figure 2	Fractured aluminium tensile specimen, photograph	HB TUW	Wikimedia Commons	CC BY-SA 4.0
Figure 8.14.26	Meadow gate on Tjärö, Blekinge, photograph	Annalovisa	Wikimedia Commons	CC BY-SA 4.0
Figure 8.3.11	Sausages on a grill, photograph	Petr Kratochvil	Public Domain Pictures	CC0 1.0
Figure 9.10.21	Synchronous belts and pulleys, photograph	Walther Flender	Wikimedia Commons	CC BY-SA 4.0
Figure 9.10.2	Belt drive profiles, drawing	Wittiko	Wikimedia Commons	CC BY 4.0
Figure 9.10.5	Belt drive layouts, drawing	Christophe Dang Ngoc Chan	Wikimedia Commons	CC0 1.0
Figure 9.10.6	Toothed belt entering a flanged pulley, drawing	Superyoyo	Wikimedia Commons	CC BY-SA 3.0
Figure 9.10.7	Engine timing belt, photograph	Logansenf	Wikimedia Commons	CC BY-SA 4.0
Figure 9.10.15	Belt-driven 3D printer axis, photograph	watsdesign	Wikimedia Commons	CC BY 2.0
Figure 9.15.2 (b)	Victor snap mousetrap, photograph	Evan-Amos	Wikimedia Commons	Public domain
Figure 9.15.2 (c)	Alarm clock mainspring, photograph	Chetvorno	Wikimedia Commons	CC0 1.0
Figure 9.15.16 (b)	Clothes peg, photograph	Сергей Михель	Wikimedia Commons	CC0 1.0
Figure 9.15.18 (a)	Wooden clothes peg held open, photograph	Eloquence	Wikimedia Commons	Public domain
Figure 9.15.20 (b)	Trampoline springs, photograph	kallerna	Wikimedia Commons	CC BY-SA 3.0
Figure 9.15.21 (b)	Torque limiter with disc springs, photograph	S. J. de Waard	Wikimedia Commons	CC BY-SA 3.0
Figure 9.15.22 (a)	Leaf spring of a truck, photograph	Mattes	Wikimedia Commons	Public domain
Figure 9.15.22 (b)	Gas springs on a tailgate, photograph	Bukk	Wikimedia Commons	Public domain
Figure 9.11.13	Sven Wingquist at his drawing board at SKF, photograph from an SKF publication of about 1940 to 1945	Unknown	Wikimedia Commons	Public domain
Figure 9.11.13	Sven Wingquist’s original sketch of the self-aligning ball bearing	Sven Wingquist	Wikimedia Commons	Public domain
Figure 9.14.4	Digital torque adapter, art. 10-258, labelled drawing	Biltema Nordic Services AB	User manual	© 2017 Biltema Nordic Services AB, reproduced from the user manual
Figure 9.14.5	Display of the digital torque adapter, drawing	Biltema Nordic Services AB	User manual	© 2017 Biltema Nordic Services AB, reproduced from the user manual
Figure 9.15.29	3D-printed compliant mechanism, photograph	Kazimirwp7	Wikimedia Commons	CC BY-SA 4.0
Figure 9.13.4 (b)	M12 hexagon head bolt by Bulten AB, marked BUFO and 8.8, photograph	R. Henrik Nilsson	Wikimedia Commons	CC BY 4.0
Figure 8.22.2	Wreck of ICE 884 at Eschede, 3 June 1998, photograph	Nils Fretwurst	Wikimedia Commons	Public domain
Figure 8.22.1 (a)	BOAC de Havilland Comet 1 G-ALYX at Heathrow, 1953, photograph	RuthAS, retouched by Altair78	Wikimedia Commons	CC BY 3.0
Figure 8.22.1 (b)	Fuselage section of Comet G-ALYP in the Science Museum, London, photograph	Krelnik	Wikimedia Commons	CC BY-SA 3.0
Figure 8.22.13	S-N curve of a brittle aluminium with a tensile strength of 320 MPa, drawing	Nicoguaro	Wikimedia Commons	CC BY 4.0
Figure 8.22.5	Fatigue fracture of an aluminium bicycle crank arm, photograph	Lokilech	Wikimedia Commons	CC BY-SA 3.0
Section 9.20.9	Stick welding on site, photograph	Weldscientist	Wikimedia Commons	CC BY-SA 4.0
Section 9.20.9	Flux-cored arc welding, drawing	Mowens57 at English Wikipedia	Wikimedia Commons	Public domain
Section 9.20.9	MIG welding, photograph	William M. Plate Jr.	Wikimedia Commons	Public domain
Section 9.20.9	TIG welding, photograph	U.S. Navy, Jason T. Poplin	Wikimedia Commons	Public domain
Section 9.20.9	Spot welding robot, photograph	Robotworx	Wikimedia Commons	CC BY-SA 3.0
Section 9.20.9	High-power laser welding, photograph	Krorc	Wikimedia Commons	CC BY-SA 3.0
Section 9.20.9	Friction stir welding, photograph	NASA	Wikimedia Commons	Public domain
Section 9.20.9	Explosion-welded interface, photograph	Kat1100	Wikimedia Commons	CC BY 3.0
Section 9.20.9	Thermite welding of a rail, photograph	PetrS.	Wikimedia Commons	CC BY-SA 3.0
Figure 9.20.19	Hand riveter with blind rivets, photograph	Jacek Halicki	Wikimedia Commons	CC BY-SA 4.0
Figure 9.20.19	Blind rivets before and after setting, photograph	Cjp24	Wikimedia Commons	CC BY-SA 4.0
Figure 9.20.17	Riveted steel beam, photograph	The Nature Box	Wikimedia Commons	CC0
Figure 9.2.16	Gear shaping machine, video	TechLifeHub	YouTube	Embedded from YouTube, not redistributed