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“henry draper”

Showing 1 - 12 of 12 results for “henry draper”
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  • On the Construction of a Sivered Glass Telescope Fifteen and a Half Inches in Aperture and its use in Celestial Photography

    by Henry Draper ...
    The construction of a reflecting telescope capable of showing every celestial object now known, is not a very difficult task. It demands principally perseverance and careful observation of minutiæ. The cost of materials is but trifling compared with the result obtained, and I can see no reason why silvered glass instruments should not come into general use among amateurs. The future hopes of ... Read more

    $6.29 USD or Free with Kobo Plus

  • On the Construction of a Silvered Glass Telescope

    by Henry Draper ...
    "On the Construction of a Silvered Glass Telescope" by Henry Draper is a significant work that delves into the intricacies of telescope design and construction. Draper, an accomplished astronomer and pioneer in astrophotography, shares his insights on the use of silvered glass mirrors, which revolutionized the field of observational astronomy. His meticulous approach to the technical aspects of ... Read more

    $0.95 USD or Free with Kobo Plus

  • On the Construction of a Silvered Glass Telescope

    Enriched edition. Fifteen and a half inches in aperture, and its use in celestial photography

    by Henry Draper, Brooke Langley ...
    In "On the Construction of a Silvered Glass Telescope," Henry Draper presents a meticulous examination of telescope design and fabrication, positioning the work as a critical contribution to both the field of astronomy and the broader scientific community of the 19th century. Draper's prose navigates the technical intricacies of telescope construction with a clarity that makes complex concepts ... Read more

    $1.99 USD or Free with Kobo Plus

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  • Green Energy 101: A Guide to Home Solar & Wind Power

    by Henry Bulluck ...
    Green Energy 101: A Guide to Home Solar & Wind Power is intended to be a primer for those interested in learning more about the application of alternative energy sources for the home. Green Energy 101 covers the basic concepts of solar, wind, and hydroelectric power as it applies to home energy generation. ... Read more

    $8.99 USD or Free with Kobo Plus

  • Practical Mechanics for Boys (1914), Illustrated

    by Zerbe, J.S. ...
    Instruction in practical household technology, first published in 1914. 60 black-and-white illustrations. "In language which every boy can understand and so arranged the he may readily carry out any work form the instructions given... This book takes the beginner through a comprehensive series of practical shop work, in which the uses of tools, and the structure and handling of shop machinery are ... Read more

    $0.99 USD or Free with Kobo Plus

  • Explore Electricity!

    With 25 Great Projects

    by Carmella Van Vleet ...
    Illustrated by Bryan Stone ...
    Series series Explore Your World
    Given the pace of how we harness and utilize electricity, as well as the importance of developing new sources of energy, electricity is a timely subject for kids to explore. In Explore Electricity! With 25 Great Projects, kids ages 6-9 will learn the basics of electricity: currents, circuits, power, magnetism and electromagnetism, motors and generators. They'll become more attuned to how much they ... Read more

    $8.69 USD or Free with Kobo Plus

  • Electricity for Boys

    by J. S. Zerbe ...
    Publisher's warning -- This book was originally published in 1914. It does an excellent job of explaining basics of electricity. It is also of historical interest. But electricity can be dangerous. The readily available tools and supplies of today differ from those common at the time this book was written. Before engaging in actual experiments or projects, you should consult an up-to-date guide, ... Read more

    $1.15 USD or Free with Kobo Plus

  • The Story of Electricity

    by John Munro ...
    A fascinating early 20th Century look at the science of electricity, including some of the interesting and sometimes bizarre uses that early inventors found for the electrical force, such as Edison's electromagnetic pen (a very early form of photocopier), an instrument that could detect the level of starlight, and even (don’t try this one at home kids!) a method for electro-plating lizards! ... Read more

    $2.99 USD or Free with Kobo Plus

  • How to Build a Digital Microscope - Construct a Reliable, Inexpensive Microscope for both Regular and Polarized Light Microscopy

    by Lasse Lu Pedersen ...
    The microscope is the most important tool in the microbiologists toolbox. Nowadays, several companies sell very well made microscopes, but such a luxury was unknown to the earliest microbiologists. They had to build their own microscopes, and many advancements to the science of microbiology were made by people who managed to improve on their own private microscopes.While basic models have become ... Read more

    Free

  • Engineering Materials

    by Knowledge Flow ...
    Series series Engineering Core Series
    Engineering Materials by Knowledge Flow is a comprehensive guide designed for engineering students and professionals seeking a clear understanding of the materials used in modern engineering practices. The book covers fundamental concepts, classifications, and properties of various engineering materials, including metals, ceramics, polymers, and composites. It explores their applications, ... Read more

    $3.99 USD or Free with Kobo Plus

  • Experiments with Alternate Currents of High Potential and High Frequency

    [Illustrated & Biography Added]

    by Nikola Tesla ...
    It was in this interesting border region, and from among these valiant Eastern folk, that Nikola Tesla was born in the year 1857, and the fact that he, today, finds himself in America and one of our foremost electricians, is striking evidence of the extraordinary attractiveness alike of electrical pursuits and of the country where electricity enjoys its widest application.Mr. Tesla's native place ... Read more

    $2.60 USD or Free with Kobo Plus

  • Abbott's American Watchmaker

    An Encyclopedia for the Horologist, Jeweler, Gold and Silversmith

    by Henry G. Abbott ...
    Back in all its original prestige Abbott’s American Watchmaker and Jeweler remains the ultimate resource for watchmaking and jewelry craftsmanship. No aspect of the trade goes uncovered in this distinctly American approach to these ancient processes, organized to be the perfect introduction to learning the tools, parts, and their uses, handed down for many generations.Here you’ll find hundreds of ... Read more

    $11.99 USD