Students are advised to omit every article that is marked with an asterisk. A double asterisk has been placed before those articles which should be omitted by all Students until they are reading the subject for the second time. An Appendix containing a description of the Vernier, the Theodolite, the Sextant etc. has been added. A Key by Mr CARR is now ready. Draw GK perpendicular to EF; the angle turned through by EF ANSWERS TO EXAMPLES 241 Students are advised to omit every article that is A double asterisk has been placed before those articles which should be omitted by all Students until they are reading the subject for the second An Appendix containing a description of the |