.A .r>^ ^7'^^^r.<^.. IMAGE EVALUATION TEST TARGET (MT-3) 1.0 I.I m la - IIIIIM M II 2.2 |M 1.8 1.25 1.4 1.6 ^ 6" - — ► Va ^ /a 'c^l a ^m /A Photographic Sdences Corporation 23 WEST MAINS' ^EET WEBSTER, NY. M580 (716) 872-4503 CIHM/ICMH Microfiche Series. CIHIVI/ICMH Collection de microfiches. Canadian Institute for Historical Microreproductions / Institut canadien de microreproductions histoiiques Technical and Bibliographic Notes/Notes techniques et bibliographiques The to1 The Institute has attempted to obtain the best original copy available for filming. Features of this copy which may be bibliographically unique, which may alter any of the images in the reproduction, or which may significantly change the usual method of filming, are checked below. 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Les diagrammes suivants illustrent la m6thode. 1 2 3 32X 1 2 3 4 5 6 If Quebec, 24 An/If lH7fi. MoNHiKUR, Nons vous intbrmuiiH respcctucusi'iiu'iit. (lu'iiiu! de now Ma- chines a ( raz Pi)tent(''('s a t'tc; introduite dans ie Convent de Uellevne, snr le cheniin Ste. Foye, et ([n'il a «'tt' demoiitie ([ne rapi)areil est dcs [ihiH etticiices ponr la prodnction d'nne Inniiere des plus sAres et des plus hrillantcs. Les Dames de la Congregation (les Directrices du Convent) sent tellenient satisfaites ile la doucenv et de I'eclat de la luniien; produite, (pi'elles ont resolu de pourvoir dv, send)lable8 ;ipi);iveils les nonibreux etablissenients (pi'elles ont dans la Puissance. Nous vous prions de visiter le Convent de liellevue et d'exa- iiiinev rai)j)areil i[ue vous trouverez parfait sous tous les rapports. Nous attirons votre attention sur la circulaire ci-jointe tjui vous donnera toutes les informations necessaires pour comprendre com- {(letement notre systeme dViclairage. Nous devons vous faire nos excuses j)our la circulaire que nous vous atl.rert,sonh' 'c^n aligl'iis ;;a' 4;a,isc!it 'de! i'uccitk'P.t arrive dernierement a retal)li,v5emiint deS ifuprinjein-s' ^fM.. JilU'.liiTjd, Desbarats & Cie., a >rontreal, la publication de la circulaire francaise se trouve retardi^e. vNussitot ([ue cette circulaire sera prete, nous aurons I'lionneur de vous en adresser une coi>ic. Nous sonimes, Monsieur, Vo8 obeissauts serviteurs, H. K. CASCILVIN, M. I)., & CiE. ,# iiiiij|i::f i ft III r liiii iiii 1 1 u I iiii I'' ■• ■ I, M'^' %>■- MOONLIGHT 110 (I OFFICE : TEMPORARILY, «%tt k#t i^ciii^ ^^1^1 ST. ROCH, QUEBEC, CANADA. • ' • " , 3 II • Jo • • • • . » : 3 J 1 3 « a J , , . MONTREAL : THE BURLAND-DESUARATS LITHOGRAPHIC COMPANV. 187G 'oi*-* t t • * * * • • • •• '//j'^sT !l^ T 7 It las Siisfilif. SUBTERRANEAN. ■ *9* ■ Roth the inconvenience and the danger attending the use of Coal Oil lamps, either in private dwellings or in public edifices, have given rise to many inventions for the production of a lighting .matter which would be at once not only safe and sound^^but bright and cheap. The discovery of Coal Qas-has received its due merit of praise; but on account of ih'e.'expensiveness of its nature, it has not given satisfaction:' •' All the other illuminating, Agents that have been pre- sented for public favour h£\v'e,'*in a greater degree, failed to meet the exigency of the Hoilr. After long years of study, and of practical acquaintance with the subject, we are,4\ow enabled to put before the public, and that, too, with .the fullest confidence in its merits, our Moonlight Gas Generator, which after numerous experiments and many trials," has been pronounced prac- tically perfect. . "•. It is adaptable to dwellmg houses, as well as to public buildings. Remarkable advantages cf our System. BRILLIANCY ANB STEADINESS OP THE LIGHT. Our Gas produces a steady and brilliant light, perfectly free from that intermittence which is produced, in other systems, by the introduction of air in the lighting matter. Its emission is perfectly uniform, and the intensity of the flame remains unaltered. The Gas is forced through the pipes by an air pump to the Generator, through which it passes, becoming saturated with a vapour of Gasoline, K^ Y fo— — ^ thence through "another pipe to the house, where it is dis- tributed to the burners, the same as coa/ gas. The air pump is propelled by a weight, which requires no other manipulation than to be wound up once or twice a week, depending upon the quantity of Gas consumed, and the apparatus is so arranged that the winding up of the weight docs not in any way interfere with the burning of the lights, which retain their uniform brilliancy during the operation. Our Gas emits no odour in combustion. THERE IS NO DAJ'IGER EITHER OF EXT^LOSION OH ITIRE. 1 « The Moonlight Gas is composed of atmospheric air saturated with Gasoline ; it is consequently heavier than the ambient atmosphere, and in case of a leak, the gas escapes immediately through the sewers. Gasoline is a cheap and abundant matter ; it is highly combustible, but not explosive. The apparatus which pro- duces the gas is simple, durable, safe, and is procurable at a reasonable cost. The dangpi''of fire is obviated entirely by placing the generating appaVJitus beneath the ground, and beyond the house. The description and cut which are subjoined will be readily understood. Insurance Companies are perfectly satisfied with the safety of our system, and have no objection to insure buildings in which it is in use. Cheapness of our Lighting System. Coal Gas costs four dollars ($4.00) per thousand feet, which is sometimes reduced, by an allowance of forty per cent (40%), to two dollars and forty cents. Our Gas costs from $1.00 to $1.20 per thousand feet, by which com- ^ •T f I parison it will be seen that our minimum of advantage over Coal Gas is one dollar and twenty cents ($1.20) per thousand feet, or 100% of profit to the consumer of Moon- light Gas. GENERAL DESCRIPTION. Our cut gVes an exact view of the apparatus condensed into a small space. It reprficents the sectional elevation of a house — basement and hr3t flat — with the air pump within, and the Generator outside the house. In compliance with the present law, and with the view of dispelling the least doubt of danger of any explosion, the Reservoir containing the Gasoline is buried at six feet underground and at fifty feet/rom the building. That Reservoir is so placed. and constructed that it has to be filled only every sin -iTionths, or even every year, according to the quantity cf-gas consumed. The Gasoline is transported in barrels,, and poured directly into the Reservoir by means of a rubber hose, one end of which is attached to the barrel by a faucet, and the other to the filling pipe. The Carburetter is fed by means of an auto- matic power, which is one of the distinct characteristics of our system ; and everything is so arranged that the last drop of Gasoline gives a light as brilliant and as steady as when the Reservoir was filled up. This may be considered as a great improvement over other systems where a too great quantity of atmospheric air, when the Reservoir is nearly empty, causes the light to be nothing more than a dim blue flame without any brilliancy. With our apparatus, this defection cannot exist. The air pump consists of a cylinder filled with water, which may be placed in any waste corner in the basement of any building, as it occupies a very ?mall space. It is put in motion, as we have already stated, by a weight which has to be wound only once or twice a week. It is a very simple and effective contrivance, as easily wound as an ordinary clock. 6 Kvciy one knows that rapid evaporation produces a lowering of the temperature which sometimes reaches the point of congelation, consecpiently, in tliis country, (>r(lin- ary apparatuses ^ive a tolerable satisfaction, for a fcK' iii^hts, during the hot season, when the solar heat main- tains in the underground diggings a relatively high tem- perature ; but during our severe winters, the heat contained in the earth is insufficient to replace the heat lost by the evaporation produced by a large number of lights. Our Gas Generator is in no way subject to this defection. The Gasoline is heated u.n(,l/ir the ground by means of a small boiler, which is place'd :ij}jar the air pump, and which sends steam through a pi^ji'-.to the Carbnvctta. It is a great improvement on otllCl'*!systems, and is in fact the only way of counteracting thejcffects of our cold country. No gas machine can be dcjb^ijded on for actual and con- stant use, whoL;e efficiency /.tfepends upon the forcing of cold air through gasoline. If is contrary to natural laws, as the gasoline at a low terr^pAuature loses its evaporising qualities. This is a fact where ve)-. cold air is used, no matter what mechanical means are employed to obtain tJic gas. • The Moonlight Gas Generet??f remedies these faults and is warranted to furnish all th^Jight for which it is sold, winter and summer, for an^.Aumber of hours, and to maintain a uniform quantity of lights. This machine will furnish gas to a building of five or six stories, and will give the same volume of light, to the highest as to the lowest, which no other Pneumatic gas machine can accomplish. We may add, as a conclusion, that the gas is distributed through the upper or lower stories with unaltered intensity, and that the ordinary gas fixtures and pipes are readily adapted to our lighting system with a slight alteration. The following is our list of prices, by which it will be seen that the apparatus is inexpensive, and that it is within the means of nearly all to furnish their dwellings with the best of all illuminating agents — The Moonlight Gas ! ! ! t f:rxc:e2 list. ^m^ a^^M m No. Li^^hts. Xo. ofnalk Prices. 1 25 40 .1150 2 50 40 250 3 75 80 300 4 100 HO 400 5 150 120 500 f> 200 160 (!00 The above quotations arc the cost at the manufactory and aa :penses connected with the placing of the appar- atus, including freight and transportation, will be added to the cost of the above list of prices. licservoirs of larger dimen.sions, to suit the require- ments of parties, are made on special contract. There has been a somevyhat prevalent timidity in the public mind in regard to the use of gas machines, owing mainly to the crude and unskilful, and sometimes dangerous devices hat have been urged upon the community in years past. It IS not, therefore, without well grounded convictions, and a due sense of responsibility, that we here say that the apparatus now offered to the public, constructed and put up as herein described, is as absolutely free from danger as IS the use of ordinary coal gas. As already mentioned, Insurance is readily obtained on buildings lighted with this gas, without any additional premium. The almost entire exemption from care or labour in the management of this apparatus must commend itself strongly to public favour. If you intend purchasing a gas apparatus, of any dimen- sions, examme ours ; we will examine your building, if you desire it and what we engage to do, we will perform betore demanding payment. 8 An experiment was some time since made on an appar- atus somewhat similar to ours, which eHcited the follow- ing certificate : An underground Gas Machine with all its apparatus and its complement of Gasoline, complete in working order, was set up under a temporary shed ; every opportunity was given to explode the machine or to cause any accident ; afterwards the shed was filled with inflammable material and set fire to, and the shed and machine entirely des- troyed. When the debris were removed, the Gazoline tank, which was only three feet deep in the ground, was found intact and cool, with its contents. There was no explosion or sign of burning gas. We certify that we witnessed these facts and they are true.