About 1590, two Dutch spectacle makers, Zaccharias Janssen and his son Hans, while experimenting with several lenses in a tube, discovered that nearby objects appeared greatly enlarged. That was the forerunner of the compound microscope and of the telescope. In 1609, Galileo, father of modern physics and astronomy, heard of these early experiments, worked out the principles of lenses, and made a much better instrument with a focusing device.

This electronic library on a Gift Quality DVD includes this Bonus book, the Three American Microscope Builders - This book is published to memorialize three early miscrope builders - to point with pride their achievements. A tribute to Charles A. Spencer, Robert B. Tollesn and Herbert R. Spencer.

Collected all on a single gift quality DVD, this library of forty-four {44} vintage books and catalogs.

Titles Included:

:: Beck Microscopes {1900} - 124 pages.

:: Common objects of the microscope {1900}

:: How to Use and Care for the microscope {1916} - 40 pages.

:: Half-hours with the Microscope 1890 - 174 pages.

:: How to See with the Microscope
{1890} - 430

:: How to see with the microscope {1880} pages.

:: How to Work With the Microscope
{1868} - 550 pages.

:: Manipulation of the microscope {1885}

:: Micoscopes and Microscopic Accessories {1902} - 178 pages.

:: Microscope & Accessories Catalog {1914} - 195 pages.

:: Microscopes and Accessories {1900} - 194 pages.

:: Microscopic Illustrations of Living Objects
{1838} - 276 pages.

:: Modern optical instruments and their construction {1896} - 122 pages.

:: On the construction and use of the microscope {1853}

:: One thousand objects for the microscope {1869}

:: Practical Hints on the Selection and Use of the Microscope
1886 - 281 pages.

:: The amateur microscopist
{1871} - 174 pages.

:: The art of study - a manual for teachers and students of the science and the art of teaching {1900} - 284 pages.

:: The amateur microscopist
1871 - 174 pages.

:: The Microscope - its history, construction, and application
1859 - 650 pages.

:: The Microscope ~ Volume 1 {1881}

:: The Microscope ~ Volume 2 {1881}

:: The Microscope ~ Volume 3 {1881}

:: The Microscope ~ Volume 4 {1881}

:: The Microscope ~ Volume 5 {1881}

:: The Microscope ~ Volume 6 {1881}

:: The Microscope ~ Volume 7 {1881}

:: The Microscope ~ Volume 8 {1881}

:: The Microscope ~ Volume 9 {1881}

:: The Microscope ~ Volume 11 {1881}

:: The Microscope ~ Volume 12 {1881}

:: The Microscope {1899} - 268 pages.

:: The microscopist - A complete manual on the use of the microscope
{1877} - 372 pages.

:: The microscopist or, A complete manual on the use of the microscope
{1853} - 232 pages.

:: The microscope and histology {1892}

:: The microscope and its revelations ~ Volume 1 {1883}

:: The microscope and its revelations ~ Volume 2 {1883}

:: The Microscope and some hints on how to use it {1910}

:: The microscope, a simple handbook {1921}

:: The microscope, and some of the wonders it reveals {1875}

:: The microscope, its construction and management {1893}

:: The Preparation and Mounting of Microscopic Objects
{1874} - 232 pages.

:: The use of the microscope, a handbook for routine and research work {1930}

:: Principles of microscopy, being a handbook to the microscope {1906}

:: The theory of optical instruments {1907} - 88 pages.

:: Three American Microscope Builders
{1945} - 78 pages.

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