Longmans¿¿¿¿¿¿¿ Object Lessons: Hints On Preparing And Giving Them, With Full Notes Of Complete Courses Of Lessons On Elementary Science (1892) is a book by David Salmon that provides guidance on how to prepare and deliver object lessons in science for elementary school students. The book includes detailed notes on complete courses of lessons covering a range of scientific topics, as well as tips on how to engage students and make the lessons interactive and interesting. The book was published in 1892 by Longmans, Green, and Co., and is considered a valuable resource for teachers and educators seeking to improve their science teaching skills.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.