Page 1 Advertisements Column 3

Star (Christchurch), Issue 4563, 8 December 1882, Page 1

Business Uotioes. NOT QUITE SO DECISIVE AS IT WAS, BUT A LITTLE MOKE OVERWHELMING. WE CHALLENGE tho representative of the Singer Sewing Machine Company, or any of the jurors on Sewing Machines at the Exhihitior who voted for the report coming from that body to controvert the following statement of facts. Messrs Medding'S, Uunnington, Cole, and Kirk, we call upon you to defend your report. H. C. FISKE & CO. Christchurch International Exhibition. June 15th, 1882. REPORT OP COMMITTEE OP EXPEETS. To H. C. Piske & Co. DEAE SIE, — In accordance with your request, ire have examined the New Davis and the New Singer Sewing Machines, for the purpose of comparing them. In our comparison we nave taken into consideration— 1. The mechanical principle involved. 2. l'he quality of the material used. 3. The degree of workmanship exhibited. 4. The fncility for doing a good and varied class 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 machine of the two. Our reasons are as follows :— In both machines the same method is adopted for actuating the needle bar— viz., a crank with roller working in a cam. This cam in the Davis machine is cut out of a solid piece of steel and hardened, while in the Singer it is not only very much lighter, but is made of common cast iron. Tho feed apparatus of tho two machines are very dissimilar. That of the Singer is the usual slip feel. The Davis has the vertical feed peculiar to itself. In this arrangement the pressor foot holds the material firmly down till the needle hna reached its lowest point. The pressnre ia then relieved and transmitted to tho feed bar. Feed bar, needle, and material aro then, by a very simple contrivance, moved forward simultaneously the required length of stitch. Motion is given to the shuttle in 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 construction to tho 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 eliding shuttle earner. It will be seen that in the Davis there are between the main spindle and the shuttle four points of friction, tho pivot carrying the vertical lever, the eccentric, the ball joint, and the pivot of horizontal lever. The twsprincipal movements, the eccentric and ball joint, are adjustable, and the parts most liable to wear are made of hardened steel. To compass tho same work tho Singer employs as points of friction 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 aro adjustable. The small wheels are common cast iron, having a certain amount of backlash, and consequent tendency to rattle and break. The connecting rod is a thin bar of iron, with a hole in each end. The end which runs on the crank pin is one of the principal 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 carried in a slide, to which a Literal strain is given by the driving rod, causing 1 a certain amount of friction, while in the Davis ii is carried by the lever qnite free from friction. With tho exception of the sniiiU roller working the needle bar, thero is not a single piece in the Singer Machine, not even excepting tho shuttle, that cannot be cut with an ordinary pocket knife, and thero are no means of adjusting any wearing part. In the Davis, not only are most of the pieces made of steel, and tempered, hut at every essential point moons are provided for taking up any wear. On this point we may Bay that where we had any doubt about the quality of the material employed the piece was broken and the fracture carefully examined. Having examined the mechanical arrangements of the two machines, we tested their adaptability for work, and we noticed the very peculiar feed of the Davis. In this respect we have been forced to the conclusion that for all purposes, sewing from the thinnest muslin to even through a metal spoon, the Davis has no parallel for grasp, or for avoiding that puckering often tho effect or the pressure on a fare motion feed. Wo must in common honesty express our astonishment at the range and variety of work accomplished by tho Davis, which we aro satisfied cannot be dona by the Singer. In summarising our report, we repeat that we have no hesitation in saying that wq regard the Davis as very superior to the Singer in workmanship, material, and the mechanical principles invalved, and also in performing a greater range of work. We found the Davis to work with oqual ease from the lightest to the heaviest fabric JOHN LEE SCOTT (Scott Bros.) Mechanical Engineer. T. GLUYAS PASCOE, Manager of the Eaiapoi Clothing Factory. GEO. P. ANTHONT, Mechanical Expert, from Nottlcfold's Birmingham. 5717 FOB BALE AND TO LET, By tho undersigned : — FABMS and several SMALL BLOCKS around Ohristchurch ; BUSINESS PREMISES and BITE 3, somo to be let on building leases. Houses of all sizes Fob Baxb and To Let. 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BUILDING .BITES, &0 , for eale in all of the following suburbs : — Addington, Avonaide, Berwick, Bingsland, Birmingham, Bligh's road and Bryndwyr, Ellanjjowan, 1-endaltown, Ferry road, Lancaster Park, Linwood, Lincoln road, Newmarket, Office road (Papanai road), Opawa, Fapanui road, Phillipatown, Biccarton (Lower), Springfield road, St Albana, Summer, Sydenham. MORTGAGES and other similar Loans negotiated at ourrent rates and reasonable oharges. MOHEY generally on hand for investment by vV • Jj A K E , LAND AND ESTATE AGENT, &0., LICENSED LAND BBOKEB (L.T. ACT), Hereford street Chamber*, Chris tchuroh. 1150 JSIL B S .A. IKIN 8O N, VrOTOUIA BTBEKT, Hao on Hsnd a Complete Stock of MADAM! WKIGEL'S PAPSB FAIXKBNS !£'-'"? £ \^ Dresscß, Mantlog, j£ jjji *_/ &0., cut in different jfi'AA sizes for ladies and chilgpp^v^dren.^ accompanied by c ns a illustra«li»Si|/ v HJt' ODB ' or making up. W*tsM n B°^ at prices ranging i*lP?\ from 6d to 2s. Newest J||sßsy?:siV B'ylfis monthly in *^* ' ''"^ Weigel'a Journal of Faahiooi, priceg7d ; by post, Bd. Catalogue of Fashions, 8d j by post, 4d. Patterns, &c., sent to any part of the oountry on receipt of prioe and additional stamp for postage. Sole Agent in Ohrietchuroh — ÜBS ATKINSON, Yzotobia Btbbbt.B2o3 NOTIGB 01 REMOVAL. W» (XILLB3PIB & Co., Hare BEMOYB1.) to LOWSB HIGH' SUBSET, CppoiiU Mr Jeafcni' Haw-milli, 1764