nay
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Yas FOS, SEAS LES SURAT CRD ER

A study by the Los Angeles fire department
showed that’7S per cent of all household fires start
as .slow, smoldering firés.. In addition, they
emphasized that most fire deaths are.the result of
smoke..:not heat or flames. cow

Both the . photo-electric
(PE) and the ionization ()

smoke-detector devices react ©

to smoke and sound an alarm

according to calibration.

‘false. alarms

However, it has been dem:

onstrated that the PE detec-
tors are not as vulnerable to

detectors..

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bay ee FSR nit eh RPE Ded ena pad

ig ORT AEE POAT ES TS TY a ZEEE EP Ge eored
A aeRO SOR bs POM AG

Richard ‘Stepler in the
December, 1975, ‘issue of

' + Popular, Science:

While PE devices do not:
use radio-active components,
it should be. emphasized that.
the I devices are. thoroughly
checked by. the Radiation

Protection ‘Bureau of: the
‘Department of Health and
Heenzed by Atomic Eneray of

a

as the [.:
- works according to a story by

Here’s how--each ‘device

“In the. PE detector, a
beam of light is: projected at
‘an angle to a photocell in a

. light-. but not airtight cham-
“ber. Since the . photocell’s
- view is at an angle to the
_beam of light, it cannot ‘see’
ithe light. we

Ae

‘When. smoke enters the

chamber, particles in the

smoke cause light to. be

" stattered_ and. seen ,by the

, detector reacts only to, visible.

page 19, November 10, 1976 - North Shore Revs

smoke density, the alarm
sounds.. Because . the’ PE.

smoke, it is fairly resistant'to”
fatse alarms. a
“The | ionization-type
smoke detector contains a
chamber in which a small—
and safe—radiation source
ionizes air particles- between
two electrodes, allowing a
“tiny electrical current to pass
since positive ions travel to

a on

one electrode, negative to

the . other. “When. ‘smoke

“enters the chamber.the ions.
attach themselves. to the

‘In general, PE detectors
_vespond more’ “.quickly ‘to _
. Smoldering fires with limited . -
heat and little. or no open -

flame, as from a_ lighted

cigarette . dropped onto a

mattress. or sofa: On the

_ other hand, I detectors have

a faster response to a

-Clean-burning fire in which -

flaming is present, such as
results when a lighted match

is dropped into a full waste ©

a oe ae ee co oe,

UaSKSt or ‘when & Curistmas
tree catches fire. Since both
kinds of fires occur in the
home, neither’: detector - is
really superior to the other.

photocell. At, a calibrated Smoke particles.

Doc Hartno

 : a BNOse: an: on
: & x re .&% ‘
sos ye

let your gift'growsndendue = =e

Now comes the time of year when we think of others. It will
soon be Christmas and a time for giving and a time to be
rejoiceful."Plants make loyely enduring gifts. It’s:a nicé touch, ©
too, to include instructions for potting and care, to make life.
more enjoyable for the recipient. ~~~ ; ay

.

_- |.remember one: year ‘doing a. ‘‘Garden Clinic’ at a). r foe oN ' . ee
department Store during. the Christmas: season. We gave - 4°”

instructions on thé. culture of :Chritmas plants, plus ©
. Suggestions for items that would be of interest .to the home-
‘ > plant grower. Some of the most popular suggestions :were.a -.
' ’ bag o£ pink Vigoro or a‘package of Vigoro sterilized potting soil.
~ + anda box of ‘Instant..Vigoro: These. would .start a home...
_» gardener.off omthe right foot. They’d have everything to pot -
, orre-pota plant, ee

POINSETTIA: The ‘poinsettia jis probably _ the . most °
traditional of alt holiday plants. Jt: will-last:quite-well.ifit is
’ Kept-out of.draughts and in’a sunny place. Don’t. put them:
" near doors that epen frequently. Poinsettia soil’ should be kept :
“| -moist. "Whert “leaves dnd ‘blooifis -statt!-t0"dtop:. normally, -
-“ withhold:watering—do this gradually—so that by the'time the. -
_ . plants leafless the soil -will be onthe dry side. The plant can wb
-, be'kept in this dorniant. state in-a:cool,’ dry. place until early f

> spring. oe 2 A

‘. ‘Then cut back the’stems to'about six inches in height, and. ft ¢:
" start watering: again’. The ‘plant. will surge into new growth,’ <
, When the. weather settles, say about the end of May, put the |

‘+I pot and plant in the.soil outdoor:

_, * JERUSALEM CHERRY: The' trick is. to keep the ee
- orange-like fruits on the plant. (The plant is related.to the §. =.’
’- tomato, potato and other nightshade varieties—but‘not. the © 7
cherry). If the room is.warm and. humid all should.be well. If
. there is the least taint of gas fume in the air, the plant will
wilt. Never let the soil. dry out as this will also cause wilting, -§
fruit and leaf drop. Water it daily while in-fruit: mo

RAEN
SAS ANS Ne
SASS RN oe

~
\

KALANCHOE: The gay red-flowered plant requires more
water than most. succulents. The'soil should be moist;:not ‘4
sopping wet. Strong sunshine will retard growth. If the room. B.
is foo warm the leaves will drop. Keep the plant in a bright, Be
airly cool location, and the red flowers should continue to §  @ Trija 4.-kayv mami
produce all during the long winter months. I le ,@ True 4-key memory |

grr + a er : . 0
J cen anQnrene- ee oenaemantin se « abies tor maroon ‘enema - .
7 . . . * .

CYCLAMEN: The orchid-like flowers of this plant makes it. J. . divides! 0
one of the treasured gift plants. Cyclamens must be kept cool ... -@ % ultiplies & ; divides ee
and moist, usually a temperature of around 16°C, If the plant > 9 - o key with & on wo
can be kept in the coolest rom in the-house, you may.expect it. J... & discount capabllity ! . a |
to bloom 1... © Memory-in-use, overflow. .- dam een |

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| (@ptional AG-adaptor |

“* gvailable) to. a - AN A

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planted outdoors, :

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giving them ‘to; There: is: Very’ little’ point’ in’, buying’ an u

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on Centre who join mein wishing you and yours th fi | oe ; : “V175. LYNN. VALLEY ROAD...
an ‘(NORTH VANCOUVER

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Ifyou ‘have’ any: quent
Information Centre, 165 |
MSH 3B8 enclosing a stamped self addressed envelope. SSS

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