Stock photography, photos: A ships depth guage. Stock photos of A ships depth guage. Seven, eight. Photograph: © David Robertson Click for a larger image and more information Keywords associated with this stock photo: 7, 8, abstract , Alba, blue, boat, bow, close up, colour, color, colourful, colorful, Corpach, count, detail, eight, float, guaged, hull, math, measuring, reflection, calm, counted, counting, depth, digit, Fort William, measure, mirror, mirror image, mirrored, reflect, reflected, reflecting, Scotland, Britain, British Isles, EEC, environment, EU, Europe, European Union, floating, gauge, GB, Great Britain, Highland, Lochaber, mathematics, measured, number, numerecy, numerical, order, red, rule, ruled, ruler, sciences, seven, ships, stripe, style, transportation, U K, UK, United Kingdom, british, scottish, Vertical, water, waterline, white