The object of this little book is to show how much may be seen with an ordinary pocket lens, and with a simple microscope; and, as far as possible, to dispel the idea, far too common, especially among beginners, that no real work can be done unless one has a compound microscope, with a large battery of lenses and an array of ‘accessories.’ It would be easy to multiply quotations, from high authorities, in support of the proposition implied in the foregoing paragraph. Two only must suffice. In a recent review of a very good book dealing with Butterflies and Moths (Natural Science, vol. vi. p. 293), the following passage occurs: ‘The only suggestion we should like to make is that a compound microscope is unnecessary for any of the details that the author mentions. A first-rate platyscopic hand lens is much more convenient and the young naturalist should train himself thoroughly in the use of it. There is no more common error than the undue use of the higher powers of a microscope. Except for the intimate details of histology, a low power or a hand lens is much more easy to use, and its employment gives a much better idea of the structure...

Explore ten of the world's most diverse environments and reveal their hidden secrets with a magic coloured lens that illuminates each page in a kaleidoscope of colour. Discover the dark and mysterious creatures of the night, whose super-sensory powers allow them to live and survive in the shadows, then switch the lens to step into daylight, where the heat of the sun supercharges the secret lives of creatures big and small. Finally, use the third lens to reveal the luscious plant life of every habitat as you travel through a jungle, a reef, grasslands, woodland and uncover a world that never sleeps. This is an animal book like no other, allowing you to view the natural world in full technicolour.

Photography of art has served as a basis for the reconstruction of works of art and as a vehicle for the dissemination and reinterpretation of art. This book provides the first definitive treatment of the subject, with essays from noted authorities in the fields of art history, architecture, and photography. The essays explore the many meanings of photography as documentation for the art historian, inspiration for the artist, and as a means of critical interpretation of works of art. Art History Through the Camera's Lens will be important reading for students, historians, librarians, and curators of the visual arts.

Latest edition of this Illustrated Pocket Book guide to Leica cameras and lenses from 1925 to the new products launched at Photokina 2002. With the latest available production figures and serial number lists. Essential companion to the Leica International Price Guide.

Help your kids explore the wonders of science with over 100 easy and accessible experiments Science in Seconds for Kids: Over 100 Experiments You Can Do in Ten Minutes or Less, 2nd Edition makes learning science with your children fun and practical. Using ingredients and components found mostly in your home or classroom, Science in Seconds for Kids instructs caregivers and educators on how to create dazzling and enlightening experiments from scratch. This book utilizes bright and colorful illustrations and diagrams throughout, making the simple experiments even more accessible. Guide your kids through experiments including: Making rainbows on the floor Popping balloons with light Bending water from a faucet Making lightning in a room Keeping paper dry underwater The experiments will fascinate youngsters of all ages and encourage a love of science and learning that could last a lifetime. Science in Seconds for Kids is perfect for elementary, traditional, and homeschool educators, as well as parents, grandparents, and other caregivers.