W. H ABB x8 * IMPEBIAL BOOT DEPOT, OASHEL STREET. For Kid Elastic-Bide Boots of good quality, i at 7a 6cl, try the Imperial For Levant Elastlo-Slde Boots, good value, at 8a 6(1, go to the Imperial For Kid Button Boot?, at 9a, try the Imperial For Eld Lace Oxford Walking Shoes, at 7», call at the Imperial For Kid Oxford Button Shoes, at 7a 6d, go to the Imperial For Children's Kid Laoe Oxford Shoes, from 3s 6d, try the Imperial For French Lasting Boots from 8s 63, try the Imperial For Cheap Lawn Tennis Shoes, from 5s 6d, go to the Imperial For Canvas Boating Shoes, at 6s 6d, try the Imperial For the Lsrgeat Stock, the Beet Quality, and the Lowest Price in all kinds of Colonialmade Boots, go to W. HARRIS, IMPEBIAL BOOT DEPOT, Cashel street. 908 SUITS TO MEASURE FROM 70s. UEST CONSIGNMENT of BPEIN3 TWEHrS AND COATINGS Just Arrived. W. M. EOBERTS, Practical Tailor, Manchester street south. Trousers from ISs. Splendid Seleotlon. 1002 .RY THE CHEAPEST SHOP IN TOWN FOR All kinds of Pipes, meerohaum and wood, Cigar and Cigarette Holders, Knives, Parses, Matchboxes, Razors, Combs, Brashes, Hair Oil, Lime Cream, & ~ &o N.B.—A lot of CRICKETING MATERIAL from last season very oheap, And last, but not least a HAIR CUTTING SALOON, Where you can get fixed up for the small sum of H. OAKEY, NOT QUITE SO DECISIVE AS IT WAS BUT A LITTLE MORE OVERWHELMING. WE CHALLENGE the representative of the Singer Sewing Machine Company, or any of the jurors on Sewing Machines at the Exhibition who voted for the report coming from that body to controvert the fallowing statement of facta. Messrs Meddlngs, Cnnnington, Dale, and Kirk, we call upon you to defend your report, H. O. FISKE & CO. Chrlstohurch International Exhibition, June 15th, 1882. REPORT OF COMMITTEE OF EXPERTS. To H. C. Fiskb & Co. BEAR SIB, —In accordance with yonr request, we have examined the New Davis and the New Singer Sewing Maohines, for the purpose of comparing them. In our comparison we have taken Into consideration— 1. The mechanical principle involved 2. The quality of the material need 3. The decree of workmanship exhibited 4. The facility for doing a good and varied o'ass of work. After taking both machines asunder, carefully examining every piece, and fully testing their capabilities, we have no hesitation in saying that we consider the Davis far the superior maohlne of the two. Our reasons are as follows : In both machines the same method is adopted for actuating the needle bar, viz., a orank with roller working in a cam. This oam In the Davis Machine is oat out of a solid piece of steel and hardened, while In the Singer it is not only very much lighter, but is made of oommon oast iron. The feed apparatus of the two maohines are very dissimilar. That of the Singer Is the usual slip feed. The Davis has the vprtloal feed peculiar to Itself. In this arrangement the pressor foot holds the material firmly down till the needle has reaohed its lowest point. The pressure is then relieved and transmitted to the feed bar. Feed bar, needle, and material are then, by a very simple oontrivauoe, moved forward simultaneously the required length of stitoh. Motion Is givf n to the shuttle in the Davis machine as follows An eccentric at the wheel end of the main spindle gives motion to a vertical lever. This in turn transmits it through a ball joint of Ingenious oonßtruo tlon to the only moving part under the maohlne, a plvotted lever having at its end an adjustable shuttle carrier. In the Singer Machine a pair of mitre wheels drive a vertical spindle, having at its lower end a orank A connecting rod from this crank moves a sliding shuttle carrier. It will be seen that in the Davis there are between the main spindle aad the shuttle four points of friction, the pivot oarrying the vertical lever, the eccentric, the ball joint, and the pivot of horizontal lever. The two principal movements, the ecoentrlo and the ball joint, are adjustable, and the parts most liable to wear are made of hardened stoel. To oompass the same work the Singer employs as pointu of friction the teeth of the mitre wheels, the two journals of vertical splndlo. the two ends of the conneoting rod, and the sliding shuttle carrier None of these places are adjustable. The small wheels are common cast iron, having a oertain amount of backlash, and consequent tendency to rattle and and break. The connecting rod in a thin bar of iron, with a hole In each end. The end whioh runs on the crank pin Is one of the prlnoipal joints in the machine, having a considerable amount of work to do with small bearing surface, making it very liable to wear, while, as before remarked, there are no means of compensating for any wear. It will be noticed that the shuttle of the Singer Machine is oarried In a elide, to whioh a lateral strain is given by the driving rod, causing a certain amount of friction, while in the Davis it is carried by the lever quite free from friction. With the exception of the small roller working the needle bar, there is not a single piece in the Singer Machine, not even excepting the ehuttle, that ca not be cut with an ordinary pooket knife, and there are no means of adjusting any wearing part. In the Davis not only are most of the pieces made of steel, and tempered, but at every essential point means are provided for taking up any wear. On this point we may say that where we had any doubt about tho quality of the material employed the the piece was broken and the fracture carefully examined. Having examined the mechanical arrangements of the two machines, we tested their adaptability for wotk, nnd we noticed the very peculiar feed of the Davis. In this respect wo have been forced to the conclusion that for all purposes, sewing from the thinnest muelln to even through a metal spoon, the Davis has no parallel for grasp, or for avoiding that puckering often the effftot of the pressure on a tore motion fesd. We must in common honosty express cur astonishment at the range and variety of work accomplished by the Davis, whioh we are satisfied cannot bo done by the Singer. In summarising our report we repeat that wo hc.vo no hesitation in saying that we regard the Davis as very superior to the Singer in workmanship, material, and the mechanical principles involved, and also In performing a greater range of work. We found the Davis to work with equal ease from the lightest to the heaviest fabric. JOHN LEE SCOTT (Scott Bros.), Mechanical Engineer. T. GLUT AS PA'-vJt'!.-, Manager of the K> Clothing Fens'- -. GEO. P. ANTHf 1" V, Mechanical Expert, Ire.- Netclefold's, Bh>, mingh&m. 8300
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https://paperspast.natlib.govt.nz/newspapers/GLOBE18820912.2.9.5
Bibliographic details
Globe, Volume XXIV, Issue 2631, 12 September 1882, Page 2
Word Count
1,165Page 2 Advertisements Column 5 Globe, Volume XXIV, Issue 2631, 12 September 1882, Page 2
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