Examlex
_____ lymphocytes function in humoral immunity, while _____ lymphocytes function in cell-mediated immunity.
Kinetograph
The first viable motion-picture camera, invented by W. K. L. Dickson for the Edison Manufacturing Company and patented in 1891.
Kinetoscope
Thomas Edison’s peephole viewer, in which short, primitive moving pictures could be seen.
Zoetrope
A motion toy consisting of a bowl-like apparatus with slots for viewers to peer through.
Daguerreotype
An early photographic process developed by Louis Daguerre in the 1830s, producing a silver image on a polished copper plate.
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