Inside calipers — Outside calipers — Shoulder calipers — Use of dif ferent types of calipers — Odd measurements made with calipers Dividers — Use of dividers — Marking out with dividers — The micrometer — Construction of micrometer — How to read a mi crometer — How to take care of a micrometer — Micrometer ver nier — Micrometer vernier and how to read it — Vernier calipers How to read vernier calipers — Use of vernier calipers as height gauge — Surface gauges — Use of surface gauges — Surface plates Marking out with surface plates — Protractors — Use of protractors in marking out — Use of miscellaneous measuring tools.