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Microscope slide. A set of standard 75 by 25 mm microscope slides. The white area can be written on to label the slide. A microscope slide is a thin flat piece of glass, typically 75 by 26 mm (3 by 1 inches) and about 1 mm thick, used to hold objects for examination under a microscope. Typically the object is mounted (secured) on the slide, and ...
A hemocytometer. The two semi-reflective rectangles are the counting chambers. The hemocytometer (or haemocytometer, or Burker's chamber) is a counting-chamber device originally designed and usually used for counting blood cells. [1] The hemocytometer was invented by Louis-Charles Malassez and consists of a thick glass microscope slide with a ...
The cover of the album features a rendition of Édouard Manet’s painting Le Déjeuner sur l’herbe featuring the band members. The band's then-14-year old lead singer Annabella Lwin is nude on the cover. The cover caused outrage in the United Kingdom that led to an investigation by Scotland Yard, instigated by Lwin's mother. [11]
Drawing, Video art, Installation art. Raymond Pettibon (born Raymond Ginn, June 16, 1957) is an American artist who lives and works in New York City. [2] Pettibon came to prominence in the early 1980s in the southern California punk rock scene, creating posters and album art mainly for groups on SST Records, owned and operated by his older ...
Fold-ins. Every issue but two of Mad from 1964 to the present has featured a Fold-in, written and drawn by artist Al Jaffee until he retired in 2020 and Johnny Sampson thereafter. They usually appear on the inside back cover, though one issue featured a Fold-in front cover and the year-end "Mad 20" issues move the feature to an interior page.
Lénárt sphere. István Lénárt demonstrating a number of Lénárt spheres. A Lénárt sphere is an educational manipulative and writing surface for exploring spherical geometry, invented by Hungarian István Lénárt as a modern replacement for a spherical blackboard. [1][2] It can be used for visualizing the geometry of points, great and ...
Principle of immersion microscopy. Path of rays with immersion medium (yellow) (left half) and without (right half). Rays (black) coming from the object (red) at a certain angle and going through the cover-slip (orange, as is the slide at the bottom) can enter the objective (dark blue) only when immersion is used.
The course covers the basics of boating safety, required equipment, rules of the road, and Oregon boating laws. ... For anyone who wants to draw, but doesn't know where to start. $65 for member ...