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NOT QUITE SO DECISIVE AS IT WAS' BUfi LITTLE MORS OVERWHEIiMINO. WJB CHALLENGE the representative of the Singer Sewing Machine Company, or any of the jarora on Sewing Machines at the Exhibition who voted for the report coming from that bddy to controvert the following statement of facts. Messrs Meddings, Cunnlogtoh, Dale, and Kirk, we oall upon you to defend your report. H. C. FIBKE & CO. Chrhfcohuroh International Exhibition, June 15th,-1882 report op committee of EXPERTS. To H. C. Fiskk & Co. DEAR SIR, —In accordance with your request, we have examined the New Davis and the New Singer Sewing Machines, for the purpose of comparing them. In our comparison we have take* into consideration— 1. 0 he mechanical principle involved 2. The quality of the material used 3. The dopree of workmanship exhibited 4. The facility for doing a good aod varied i o aes of work. After taking both machines asunder, carefully examining every piece, and fully testing their capabilities), we have no hesitation in saying that wo consider the Davis far the superior maohice of the two. Our reasons are as follows : In both machines the s.«me method is adopted for tctr.aiing the needle bar, viz , a orank with roller working in a cam. This cam In the Davia Machine is cnt out of a solid pieco of steel and hardened, while in the Singer it is not only very much lighter, but is made of common cast iron.

The feed &pp*r-*tu4 of the two machines are very dissimilar. That of tho Singer is the usual flip feed. The Davis has the vertical feed peculiar to itie'f. In this arrangement the pressor foot holds the material firmly down till the needle has reached 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 contrivance, moved forward simultaneously the required length of etitch. Motion ia given 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 ingsciona construe tlon to the only moving part under the machine, a pivotted 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 crank A connecting rod from this crank moves a sliding shuttle carrier. It will be seen that in the J>.vis there are between the main spindle t n<i the shuttle four points of friction, the t.ivot oarrying the vertical lever, the eccentric, the ball joint, and the pivot of horizontal lever. The two principal move' moats, the eccentric and the ball joint, are adjustable, and the parts most liable to wear are made of hardened steel. To oompasa the same work the Singer employs as points of friotlon the teeth of the mitre wheels, the two journals of vertical spindle, the two ends of the connecting rod, and the sliding shuttle carrier None of these places are adjustable. The small wheels are common cast iron, having a certain amount of backlash, and consequent tendency to rattle and and break. The connecting rod id a thin bar of iron, with a hole in each end. The end which runs on the crank pin is ono of the principal joints in the machine, having a considerable amount of woik to do with small bear'ng Eurf&ce, making it very liable to wear, while, as before remarked, there are no means of compensating for any wear. It will be noticed that tho shuttle of the Singer Maohice is carried in a slide, to which 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 Motion. 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 shuttle, that car not be cut with an ordinary pocket knife, and there are no mean'j 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 np any wear. On this point we may say that where we had any doubt about the quality of the material employed the the piece wao broken and the fracture carefully examined. Having examined the mechauloal arrangements of the two machines, we tested their adaptability for work, and we noticed the very peoaliar feed of the Davis. In this respsov wa have been forced to the conclusion that for all purposes, sewin from the thinnest muslin to even throu a metal spoon, the Davis has no paralie grasp, or for avoiding that puckering often the effect of the pressure on a fore motion feed. We must in common honesty express our astonishment at the range and variety of work accomplished by the Davis, whloh wo are satisfied cannot be done by the Singer.

In summaritiug our report wo repeat that we have no hesitation in Baying 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 to work with equal ease from the lightest to the heaviess fabric, JOHN LES SCOTT (Scott Bros.), Mechanical Engineer. T. GLUYA3 PASCOK, Manager of tho Kaiapol Clothing Faotoiy. GEO. P. ANTHONY, Mechanical Expert, from Nettlefold's, Birmingham. 8300 W. M. HOBE BT S , TAILOK, MANOHISTEK STREET SOUTH, Wishes to call special attention to his FOUR GUINEA SUITS, Also to his GUINEA TSOUSERS, Which for Style, Fit and Quality ia unsurpassed 5-29 «n Christohurch. 1002

BOOTS. BOOTS. BOOTS. ARGE SHIPMENTS of the above p.re J arriving by frequent Orients and P. and O. steamers via Melbourne. The stock is well assorted, and will be found very complete, and should command the attention of all classes of customers. There is not »ny similar stook to select from In Christcfcurch. Tho quality of the goods and the lovmess cf the prices must commend themselves to all who pay the establishment a visit. All the goods are shipped direct from the manufacturers, and consequently can be, and are, sold very oheap. ARRIS. IMPERIAL BOOT DEPOT. At l THE HOLIDAYS, -RY THE CHEAPEST f.-HOP IN TOWN SOB, All kinds of Pipes, meerchauza and wood, Cigar and Cigarette Holders, Knives, Purses, Matchboxes, Razors, Combs, Erushes, Hair OU, Lime Cream, & ~ &o N.B.—A lot of CRICKETING MATERIAL from last season vory oheap. And last, but not least, a HAIR CUTTING SALOON, Where you can get fixed up for the small sum of SIXPENCE. H. OAKHY, 0495 High street

Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/GLOBE18820727.2.11.5

Bibliographic details

Globe, Volume XXIV, Issue 2591, 27 July 1882, Page 2

Word Count
1,134

Page 2 Advertisements Column 5 Globe, Volume XXIV, Issue 2591, 27 July 1882, Page 2

Page 2 Advertisements Column 5 Globe, Volume XXIV, Issue 2591, 27 July 1882, Page 2

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