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21Survival kit — First aid pack of the French Army …
22Time Machine (game show) — infobox Television show name = Time Machine caption = format = Game show company = Reg Grundy Productions runtime = 30 minutes (per episode) creator = Reg Grundy starring = John Davidson as the host; Charlie Tuna as the announcer country = USA… …
23Armament of the Iowa class battleship — The armament of the engaged the Imperial Japanese Navy battlecruiser Kirishima at a range of convert|18500|yd|m| 2 at night.cite book | last = Mindell | first = David | title = Between Human and Machine | publisher = Johns Hopkins | date = 2002 | …
24London Buses route E8 — Infobox London Bus number=E8 operator=Metroline garage=Brentford (AH) vehicle=Dennis Dart SLF / Alexander Dennis Pointer Dennis Trident 2 / Alexander ALX400 pvr=10 start=Ealing Broadway via=Hanwell Boston Manor end=Brentford length=5 miles (8 km) …
25X-ray crystallography — can locate every atom in a zeolite, an aluminosilicate with many important applications, such as water purification. X ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X rays strikes a… …
26Water clock — For the individual water clock at The Children s Museum of Indianapolis, see Water clock (Indianapolis). A display of two outflow water clocks from the Ancient Agora Museum in Athens. The top is an original from the late 5th century BC. The… …
27Dog agility — Agility field left side: A competition agility field showing (clockwise from lower left) a tunnel, the dogwalk, the judge standing in front of a winged jump, two additional winged jumps, dog executing the teeter totter with his handler guiding,… …
28Personal computer — This article is about personal computers in general. For computers generally referred to as PCs , see IBM PC compatible. For hardware components dealing with personal computers, see Personal computer hardware. Personal computer An illustration of …
29Fluorescence X — Spectrométrie de fluorescence X Pour les articles homonymes, voir SFX, FX et XRF. Un spectromètre de fluorescence X Philips PW1606 avec manutention automatiq …
30Methode de Bigourdan — Méthode de Bigourdan La méthode de Bigourdan est une méthode de mise en station d une monture de télescope inventée par l astronome Guillaume Bigourdan. Son avantage est de permettre une mise en station même lorsqu on ne peut pas repérer le pôle… …
