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. Author manuscript; available in PMC: 2010 Mar 17.
Published in final edited form as: Phys Med Biol. 2008 Aug 29;53(19):5313–5342. doi: 10.1088/0031-9155/53/19/004

Figure 1.

Figure 1

Photograph of the main part of the instrument. The ballpoint pen is about 15 cm in length. a = translatable part of a vertical micrometer; b = aluminum slab; c = aluminum block; d = an extension mounted on a providing a mount for e; e = shear force detector; f = stage for mounting sample disk; g = clamp; h = fixed part of the LVDT; i = acrylic holder for the LVDT; j = permanent magnet of the linear actuator; k = linear bearing l = aluminum plate; m = translation micrometer; n = aluminum plate; o = rubber band; p = bolt from linear bearing to rubber band; q = linear translator; r = aluminum mount for the linear actuator; s = sample material; t = sponge rubber pad for mechanical isolation; u = 2.5 cm thick Teflon® slab beneath t; v and w = coaxial stainless steel rods screwed into the stage for mounting the sample disk; x = fixture bolted to z and joining v to z; y = electrical signal carrying wires from the force detector to its signal conditioner/amplifier; z = driven coil assembly of the linear actuator.