Show EGGS SHOULD BE JESTED 1 A 1 a EXTERIOR AND SECTIONAL VIEW OF CANDLER from the united states department of agrati Ag dihe the requirements of the egg trade and ad certain state and federal food reg il lations make it necessary for far the shipper to it know ow what quality of eggs he 1 la il shipping hipping to cop this means that fill eggs efa should be t tested asted ty by candling lit in the producing section Stark capers end and eg lau baiers in the towns can caa candle by means of if a shielded light la in a dark room mom the traI trav elang ig callec collectors tors however who gather agga egga a from the farmers lack thess thele facilities to these col lectors electors the egg handling of the department have developed a simple homemade electrical candling amid that can be used out e 6 do doors the apparatus can be fastened to the side ra 01 back of a mog wagon or to the wall of a building at a height convenient for far the madier candler it if hung on hooks hanks I 1 it 1 Is easily removed 1 ad th this d device consists let of a wooden to case 1 I fig 1 pointed painted black inside and ont in which Is mounted an give I 1 v e egg candle lighted bv a dinv else elec we bulb operated by dry butt batteries a the eggs are pass pawed ad lot into the bottom part of the box through int an opening protected hv bv black cloth curtains that prevent light from entering are ang fig 1 P As the eggs or are hold held and ad turned before the car candle the collector 1 can I tell thur quality by looking th through h the in the front of the case fig 1 0 to build case the following directions direction and ad almen ill tons ilous have been tested and f fondd IT eat ant stac tory in making these mitties ake a light wooden monden box 26 inches nigh 18 inches wide and wf inches deep I inside ide measurements 1 I ig 1 this may be made ad from egg me case ma gerful terdal or a packing box mv may be cut down IT we to these dimensions tongued and grooved grim ed boards should be used it if possible pille p ille as the line box must not be light proof leave leare a apace p ee 11 inches high and ad the width of the has box at the hot but torn hou of the front fig 1 P cut so an six inch wide w I 1 it by me inches hh in the top center me of the front it ih TV rig ig 1 0 ahen it he cut c as shown the hole hall is 1 about be ut the right distance above the candle to ill fit the height bright of the av 1 bilof intile man in hot men will prefer a au loner inner hole and d tall men may require a higher III her box cover the egg open ing L with 1 three abr pieces p I 1 of heavy hen y black cloth it cloth or oilcloth h making ing the enter center piece overlap those at the sides aid rig fig 1 P fh fach F h piece is beven 1 or 1 eight inches wide mid and ad 11 inches hiah the ilderem Ilde mem lire are fastened to the case at the sides ind and top of the egg opining the centerpiece at the ill top only electrical equipment build stalls from thin lumber 31 inches dila by 2 inches squat across acs the he t rear of the bottom of the ill c box to hold tho the dry cells 1 ig 2 A this sibe 81 box should hold mic bat tones t three for running the light and diee h in reserve the strip etnas above line e and testing resting oo an the tors iola of the cells fig 2 F are not necessary unless ard it I 1 Is desired to pre vi nt a t the batteries be t barles from dropping out if the I 1 h a case c a Is turned down dow amalia strips should be screwed it to the III bai k of the cases a so BO thy they may be aas a ily removed rd when heu renewing ig the bat luhram tel ies I 1 he candling dr device e proper Is either lulo luli matic mulde or constant that is it may be made to gaie m thy continuously or only when an egg 1 is pre pressed ed lightly gullet against it secure front from any thin diug tile a new round tin ointment box about be I 1 two tm inches 1 in diameter and ad fourths the tact inch deep 1 I ig 2 B g iteal a hole in the center of the hot torn just u t large enough to hold bold firmly hie a screw cw of a small mail SI 34 volt it lamp me it i IS aa 1 Is hand I 1 la a little hill a pocket flash lump lamp the metal be box besides holding the lump also io 1 Is needed to mury convey current to th the screw crew around the stem of the till i b therefore donot do 16 not 1 r rm ream m the hie hole too large and do not use cloth or other noi metallic packing to hold it in r around led the tha tem of at the bulb ball 1 fut at a hot hole to in the ever cover of the box bas me inch in diameter against which the egg Is held during candling to t the he bottom of the box solder one a end vl of a strip of thin brose brass or spin I 1 is hahr long by th three ce fourths inch wide mile this forms forma the spring which break the contact when ohen it the candle Is ased a automatically fig 2 Q C to the opposite side of the bottom solder older a piece of metal to form a up TIP that lanam andr a button A which aich may te be turned to hold the box firmly against the contacts contact when he tile the candle la to give J a light ligat mike mika I 1 ahe Is mounting t aho board for far the candle flo from a ill piece c m of wood six 1 tactics inches acl ong ing 2 21 1 a W wide ibe and about one ona fourth inch thick by boring bating a hal half inch ill hot hole through the center line tour four inches he from one end ad tack tacit over r this tats hot hole a on the back of the board artrip a strip of zinc thice fourths fourth inch wide and 24 inches long bearing a connecter cono ecter te t hirt he ha in been cut from a discarded dry battery tig 2 11 bend bead the ont cou necter end of the trip strip up it at a one edge of the board be careful I 1 to see that the ointment lt box cannot touch c this lorm connector ecter or the zinc line and thus make a short hurt chit la 1 candling do not it ill allow the hand to touch batch this v connic a c it lioa and the metal let box at the same time mount manor the candling box on the a face of the board bv means of two round limit head serene through the lower end of if the spring fig 2 C screwed amod at such I a distance from the h hole 0 1 as will I 1 allow the end of the light b bulb u 1 t to pa IS through the half inch bole and ad co come a to in contact tact with the zinc on the bulk back care mut fant be taken take to se see that the stem of the lamp goes straight in into 1 a the hole bole only the metal contact act point poin in the center of the stem should touch tile zinc if the metal screw plate around the outside of the stem touches the zinc it will mill muse cause ashert a short circuit and the lamp amp will mill not at burn bar the lower sw S w in the spring should have a cloe fitting ing copper washer hr screw or nail 1 I the abe board to a th the buddle rol dille of ill the back of the come case so the light is ten inch inches above abe the bottom paint the cuse blick inside and ad out wiring method I 1 run rim one wire from tho the right of the batteries to the eter rig fig 2 H on the be board ard F fasten the second mire ft ire from the left of the but bat tenes licin beneath sith the win washer flier under ad the lower screw that holds the lamp pling rig fig 2 C the device acnia 1 Is the then jadv adv for operation method me had 2 if 11 desired a switch tell F g 1 S also shown a in fig 2 may be ba hm mounted on an the front or of the III box and ad one wire it 1 in the circuit fig 2 J z run through mach it ahe operator how iner ever ordinarily will find it just as convenient to control the current by am means of the be bull button have above the candle mall C connecting tag the dry cella P that care should be taken take to see e that the butter are connected li ID such a A way syr it t the voltage of the cut 1 lent act Is al ap pi v that required by bv the lump lamp if the voltage la Is too high the lamp will burn out quickle quick lv if too in low the light 1111 will ill bell be dim an any dealer in dry will RII I 1 have hae a voltmeter and ad to can assist it in connecting th the S cells I 1 IS so a they will gi give the required voltage if connected led us as hwn in rig 2 it the voltage ilage fr from to to cells only mili to is applied to the light which nevertheless be hua the benefit ot of the full amperage of th the three cells 11 a if much candling Is to be done it I 1 is lidi advisable ladA to connect area two seta a of it daiy diy butt batteries erics to the candle controlled b by a three way circuit then the sets seta can b be used led alternately and ad their life as tire greatly ta prolonged simply holding an egg against the candling up opening I 1 will mill the con tact in the stem of the bulb against th the Is zinc contact on the back of the board causing 11 light to s shine nine through the egg nhen hen the pressure is re moved anel the contact is broun by the pring prig on tile the lamp box if a constant light 1 is deli desired d it the contact wt in may be mide mid steady by turning tile the butt button fig 2 E L over the lip ITT fig 2 D on the bl back of the caudle the ii an materials mis tor for this apparatus including three thle dry cells should not cost a 01 or er it itemized as flit follows we box tor a case tell ointment II a box u e 0 p 31 05 1 1 1 bulb to 3 batteries n button ce e faint nails it screw crame to cloah da 3 lo 10 flat et ol of wire for connectors con nectora mill ob total it W these items do not include the cost of a switch which if used would in m a wase crease the co cost t fro from 10 to 25 cents dadi depending a on the ape of switch used |