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pin-hole

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1
Pinhole (optics) - Wikipedia
A pinhole is a small circular hole, as could be made with the point of a pin. In optics, pinholes with diameter between a few micrometers and a hundred ... en.wikipedia.org
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PINHOLE Definition & Meaning - Merriam-Webster
The meaning of PINHOLE is a small hole made by, for, or as if by a pin. How to use pinhole in a sentence. www.merriam-webster.com
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Pin-holes, what they are and how to prevent them. - Tecnopol
PINHOLES are small craters which form in the applied product during the drying process and which, apart from an aesthetic problem, can also cause fun. www.tecnopolgroup.com
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pin-hole
pin-hole (ˈpɪnhəʊl) Also pinhole. 1. A hole into which a pin or peg fits.1677 Moxon Mech. Exerc. ii. 19 The inside of the Hinge below the Pin-hole of the Joynt. Ibid. 26 If your Key is to have a Pin-hole, drill the hole in the middle of the end of the shank. 1727 Bradley Compl. Body Husb. 43 The pin... Oxford English Dictionary
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How to Make a Pinhole Camera – Science Project
With a few simple supplies, you can make a pinhole camera that lets you watch a solar eclipse safely and easily from anywhere. www.jpl.nasa.gov
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Pinhole - Ilford Photo
Helen Hooker tells us about how her obsession with 'Pinhole' photography. Started after she saw her developed negatives for the first time. www.ilfordphoto.com
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Thistle SALM
Then, on October 15, 1978, a pin-hole leak was discovered in some pipework on the inside of the buoy during a routine maintenance inspection. Over the winter months the pin-hole leak developed into a split, and a crack in the 16-inch pipework outside the buoy allowed water and oil to flood the wikipedia.org
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Anyone know the purpose of this hole/pin? : r/Tools - Reddit
Its how they hang it on the cardboard hang tag for display. PARK TOOLS makes them for cycling tools as well and they have the same hole and ... www.reddit.com
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Photographic Pinhole - Daystar Laser
Photographic pinholes use thin steel and laser drilling for premium photos. They are triple-inspected and mounted on an 18mm aluminum disc. Sizes vary by ... daystarlaser.com
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Laser drilled 'Pinholes'. - RealitySoSubtle
Precision, top quality laser drilled pinhole apertures mounted in 20mm vinyl discs. These pinholes are perfectly round and fault free. realitysosubtle.fr
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PINHOLE | definition in the Cambridge English Dictionary
a very small hole made by or as if by a pin: He attached his poster to the bulletin board, careful to use the pinholes that were already there. dictionary.cambridge.org
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pinholing
ˈpinholing, vbl. n. [f. pin-hole + -ing1.] The presence or production of pin-holes.1925 Jrnl. Inst. Metals. XXXIII. 228 These facts..led to the conclusion that the cause of ‘pinholing’ [in castings] is occluded gas. 1941 Light Metals IV. 133/1 The foundry⁓man..has to produce castings free from serio... Oxford English Dictionary
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Greg Parker
Most recently, he became interested in deep-sky imaging, macrophotography, microphotography, pin-hole camera photography and high-speed flash photography wikipedia.org
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Abney
Abney (ˈæbnɪ) The surname of Sir William de Wiveleslie Abney (1844–1920) in Abney level (level n. 1), a small hand instrument used by surveyors for measuring slopes and angles above the horizon. Also Abney clinometer.1889 G. W. Usill Pract. Surveying iii. 33 The Abney Level.—This portable and neat l... Oxford English Dictionary
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Andrew Wright (artist)
Wright has also created several large-scale photographs by converting a large gallery space and his studio into a giant pin-hole camera. wikipedia.org
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