Excerpt from How to Work With the Microscope
In the particular branch of enquiry I am considering, the importance of such Operations as the dissection and demonstration of the nerves of an insect, of injecting the vessels Of a mouse or a frog, preparing minute specimens, and other such practical work, has been very much over looked and underrated. It is, however, by practical work of this kind that the student learns, as it were, the very grammar of the subject, which ought to be mastered, and mastered thoroughly, and not only by those who intend to work, but by those who desire to be able to appre ciate and form a judgment concerning the reliability and value of the work of others. Every student should be taught to dissect small animals, and those who have succeeded in displaying the nerves of a frog may practise on smaller animals, such as caterpillars and beetles, and some will succeed in dissecting with the aid of a lens the nervous system of a bluebottle.
The number of original observers emanating from our schools will vary as practical work is favoured or discouraged. It is certain that they who are most fully conversant with elementary detail and most Clever at demonstration, will be the most successful in the consideration of the higher and more abstruse problems, and will feel a real love for their work, which no mere superficial enquirer will experience.
To endeavour to discover new methods of investigation is one of the most important duties of every Observer. To communicate these to his pupils must be the anxious desire of every earnest teacher of any branch Of natural science.
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Seller: Forgotten Books, London, United Kingdom
Paperback. Condition: New. Print on Demand. This book provides a detailed beginner's guide to the use and maintenance of a microscope within the fields of biology, chemistry, mineralogy, and physics. It begins by familiarising readers with basic operations and equipment, including the preparation and mounting of samples, and the care and maintenance of microscopes. The author then explores the principles underlying the use of simple and compound microscopes, the measurement and optical properties of glass, the use of polarised light and special reagents, and the analysis of crystalline solids and liquids. This book will appeal to a wide range of readers, from beginners with little-to-no experience of microscopy, to students and experienced academics seeking to improve their understanding of practical microscopy and analysis. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9780282740382_0
Quantity: Over 20 available
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780282740382
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9780282740382
Quantity: 15 available