All the reference information anyone needs on virtually any subject is right at the fingertips in this handy pocket-sized guide. Its tables, charts, drawings, lists, and formulas will be especially useful for contractors, students, travelers, electronics hobbyists, craftspeople, and engineers and technicians in virtually every field. [via]
All the reference information anyone needs on virtually any subject is right at the fingertips in this handy pocket-sized guide. Its tables, charts, drawings, lists, and formulas will be especially useful for contractors, students, travelers, electronics hobbyists, craftspeople, and engineers and technicians in virtually every field. [via]