Matches, kitchen

A direct descendant of these matches is the nontoxic modem double-tipped strike-anywhere (SAW), the large "kitchen" match version, or the smaller "peimy box" variety. It is based on the invention of two Frenchmen, Henri SAvnne and Fmile David Cahen, who used the nonpoisonous compound tetraphosphoms trisulfide, P4S3, as a phosphoms substitute and acquired a U.S. patent in 1898. 

In addition to electrical uses, epoxy casting resins are utilized in the manufacture of tools, ie, contact and match molds, stretch blocks, vacuum-forrning tools, and foundry patterns, as weU as bench tops and kitchen sinks. Systems consist of a gel-coat formulation designed to form a thin coating over the pattern which provides a perfect reproduction of the pattern detail. This is backed by a heavily filled epoxy system which also incorporates fiber reinforcements to give the tool its strength. For moderate temperature service, a Hquid bisphenol A epoxy resin with an aHphatic amine is used. For higher temperature service, a modified system based on an epoxy phenol novolak and an aromatic diamine hardener may be used. 

The large strtke-anywhere (SAW) or kitchen match has a small, easily ignitable tip composed of phosphorus sesquisulfide affixed to a larger... 

No. No one will ever have it all together. It is like sitting down in front of a jigsaw with a zillion zillion pieces spread all over the kitchen table. With diligent searching you will occasionally find a piece that matches another, but it rarely provides any insight into the final picture. That will remain a mystery, unless you had the chance to see the cover of the box in some other incarnation. But Oh my, what fun it is, whenever you do happen to find a new piece that fits ... 

The major problem with both of these solutions is their toxicity. The first solution should only be used in a fume hood, and the second is so toxic that it should not be used at all. An alternative solution, albeit a bit messier, is common kitchen com oil. It does not match the index of refraction as closely as do the two solutions mentioned above, but it does the job and is safe to use. The com oil can be removed with soap and water. 

Gather these materials A wooden match a wax taper a small candle a cigarette lighter a piece of paper and 4 clean cool saucers from the kitchen. (Obtain your mother s permission to use the saucers.)... 

Measure the mass of a large kitchen match. Record this measurement and detailed observations about the match. 

The second example is of another West African field, but in this case the oil is mainly in one reservoir only. The reservoir filling model, with no mixing, produces a strong and highly curved API depth trend that closely matches the observations (see Fig. 16). As discussed below, this curvature results from subtle interplay between the reservoir geometry and history and the kitchen geometry and history. 

Fig. 7. Maturity development in the deepest are in the 34/5 kitchen area, indicating that the source rock is matching (and in the deepest part partly exceeded) the maturity required to match the asphaltene maturity in the reservoired Snorre oil.

It may be mentioned in passing that strike-anywhere type ( kitchen ) match tips and formulations based on these (see Chapter 12) can be initiated by stab primer pins. Again, the difference between proper functioning and mere splitting of the match tip may depend on the profile and roughness of finish of the pins, as was experienced in World War II in connection with the Ml Delay Firing Device ( delay pencil ) about which more will be said later. 

The large strike-anywhere (SAW) or kitchen match has retained some of its popularity longest, but with the prevalence of the pilot light in gas stoves, and the electric stove in rural electrification and in city use, mainly the little guild of pipe smokers appreciates its virtues. Manufacturing Procedures... 

Ail wooden matches are packaged in rectangular boxes either of the the larger size for kitchen matches or in the penny box for safety matches, which in Europe are made from wood veneer, but in this country from thin cardboard. Depending on the type of match, the boxes are either provided with a striking strip like the book matches or with a plain "sand-line consisting of an adhesive line on which abrasive material is superficially applied or (lately) a homogeneous mixture is used. 

Friction primers are any device composed of an energetic material which is capable of producing a flame from frictional energy. A frictional primer material common to all households is the kitchen match. When used in field-expedient applications, the kitchen match does have explosives application as a primer. However, the fihetion-... 

The calorie is a fairly small amount of heat — the amount it takes to raise the temperature of 1 gram of water TC. 1 often use the kilocalorie (kcalX which is 1,000 calories, as a convenient unit of heat. If you burn a large kitchen match completely, it produces about 1 kilocalorie (1,000 cal) of heat. 

By manipulating additives, plastics can be colour matched with parts made of other materials such as metal, wood, paint and fabric. Cars, radios and kitchen appliances use this technique. 

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