Wyniki wyszukiwania:

Pioneers in the electronic imaging of insects and creators of the award-winning website Digital...

The infinite rooms, twisting corridors, magical chambers and secret passageways of Evenmere contain and protect all of Existence. But the mansion's power has been stolen; now all within the High House are threatened by enemies hidden in the Outer Darkness. Evenmere's young master, Carter Anderson, and his brother Duskin must challenge the False House, where a captive girl's tortured dreams are turning reality into nightmare . . .

With extensive revisions by the author from its original Warner Books publication, this comfortable 6" by 9" edition also includes maps of the Inner...

1915 to 1918 was a tumultuous period of Chinese history. In 1912, the 250-year-old Qing dynasty had been overthrown and powerful generals and political leaders were vying for power. Warlords and rebel armies were ranging the countryside; there was no effective central government, and foreign businessmen and missionaries were walled in well-defended compounds.

In the midst of this chaos, a twenty-four-year-old college graduate named James Archibald Mitchell, landed in Shanghai to teach English at St John's University, the so-called Harvard of the East.

Mitchell was an avid...

The first book devoted exclusively to the spectroscope and its use in gemstone identification.

Until 1933 the refractometer and the microscope were the two principal tools in gem testing. Then B.W. Anderson introduced the hand spectroscope which quickly became the third vital instrument for the UK gemmologist. The publication of Anderson's papers in the mid-1950s alerted gem laboratories worldwide to the importance of this instrument. Today its use is universal.

Anderson and his lifelong colleague, Payne, both of the world's first full-time gemmological laboratory, were...

The first book devoted exclusively to the spectroscope and its use in gemstone identification.

Until 1933 the refractometer and the microscope were the two principal tools in gem testing. Then B.W. Anderson introduced the hand spectroscope which quickly became the third vital instrument for the UK gemmologist. The publication of Anderson's papers in the mid-1950s alerted gem laboratories worldwide to the importance of this instrument. Today its use is universal.

Anderson and his lifelong colleague, Payne, both of the world's first full-time gemmological laboratory, were...