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In surface science, an instrument called a contact angle goniometer or tensiometer measures the static contact angle, advancing and receding contact angles, and sometimes surface tension. The first contact angle goniometer was designed by William Zisman of the United States Naval Research Laboratory in Washington, D.C. and manufactured by ramé ...
Instrument Uses Test tube: Folin-Wu tube: Glass slide mycole and cover slips: in microscopy, serology, etc. as the solid backing on which test samples are Petri dish: used for preparation of culture media and the culture of organisms they are in Glass beaker: reagent storage Glass flask: gastric acid, or other fluid titration: Pasteur pipette
Pages in category "Laboratory equipment" The following 200 pages are in this category, out of approximately 259 total. This list may not reflect recent changes .
A Chemnitzer concertina is a musical instrument of the hand-held bellows-driven free-reed category, sometimes called squeezeboxes.The Chemnitzer concertina is most closely related to the bandoneón (German spelling: Bandonion), and more distantly, to the other types of concertinas and accordions.
flat large instrument that has a groove and is placed between the lid and globe of the eye to provide a solid support for eyelid surgery Hammer, chisel and bone gouge: bone cutting and shaping Bowmen's discission needle: microsurgery of the lens capsule [3] Knives: to cut structures •Surgical scalpel with small blades: general purpose instrument
A concertina is a free-reed musical instrument, like the various accordions and the harmonica.It consists of expanding and contracting bellows, with buttons (or keys) usually on both ends, unlike accordion buttons, which are on the front.
When the astrolabe is held vertically, the alidade can be rotated and the sun or a star sighted along its length, so that its altitude in degrees can be read ("taken") from the graduated edge of the astrolabe; hence the word's Greek roots: "astron" (ἄστρον) = star + "lab-" (λαβ-) = to take.
The earliest known keyboard instrument was the Ancient Greek hydraulis, a type of pipe organ invented in the third century BC. [2] The keys were likely balanced and could be played with a light touch, as is clear from the reference in a Latin poem by Claudian (late 4th century), who says magna levi detrudens murmura tactu . . . intonet, that is "let him thunder forth as he presses out mighty ...