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W. H AKR 18 - I I' * IMPERIAL BOOT DEPOT, OASHHL STREET. ( For Kid Slaatio-Sido Boots of good quality, at 7b 6d, try the Imperial For Levant Elastio'-Hdo Boots, good value, at 8a 6d, go to the Imperial For Kid Button Boots, at 9a, try the Imperial' " i " For Kid Laos Oxford Walking Shoes, at 7f, call at the Imperial For Kid Oxford Button Shoes, at 7a 6d, go to the Imperial For Child tea'a Kid Lace Oxford Shoes, from 3a 6d, try the Imperial For French Lasting Boots from 8a 6d, try the Imperial For Cheap Lawn Tennis Shoes, from 5s 6d, go to the Imperial For Canvas Boating Shoes, at 5s 6d, try the Imperial For the Largest Stock, the Best Quality, and tho Lowest Price in all kinds of Colonialmade Boots, go to W. HARRIS, IMPERIAL BOOT DEPOT, Cashel street. 908 SUITS TO ME ASURE PROM 70s. First consignment of spring TWEEDS AND COATINGS Just Arrived. W. M. BOBEETB, Practical Tailor, Manchester street south. Trousers from 18a, Splendid Seleotlon. FOM THE HOLIDAYS. Tet the cheapest shop in TOWN FOR All kinds of Pipes, meerohanm and wood. Cigar and Cigarette Holders, Knives, Purses, Matchboxes, Razors, Combs, Brashes, Hair Oil, Lima Cream, &., &o N.B. —A lot of CRICKETING MATERIAL from lost season very cheap. And last, but not least a HAIR CUTTING SALOON, Where yon can gat fixed up for the email sum of SIXPENCE. H. OAKBY, 9495 High street NOT QUITE SO DECISIVE AS IT WAS BUT A LITTLE MORE OVERWHELMING. E CHALLENGE the representative of the Singer Sewing Machine Company, or any of the jnrora on Sewing Machines at the Exhibition who voted for the report coming from that body to controvert the following statement of faots. Messrs Meddinga, Cunnlngton, Dale, and Kirk, we call npon you to defend your report, H. O. FIBKE & CO. Christchurch International Exhibition, June 15th, ISB2. REPORT OF COMMITTEE OF EXPERTS, To H. C. Fiskb & Co. BEAR SIB, —In accordance with your request, we have examined the New Davis and the New Singer Sewing Machines, l 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 used 3. The degree of workmanship exhibited 4. The facility for doing a good and varied o’ass of work. After taking both machines asunder, oareI fully examining every piece, and fully testing their capabilities, we have no hesitation f in saying that we consider the Davis far the superior machine of the two, Oar reasons r are as follows : f In both machines the same method is adopted for actuating the needle bar, viz,, a I crank with roller working In a cam. This oam In tho Davis Machine is out ont of a I solid piece of steel and hardened, while In the Singer it is not only very much lighter, I bat Is made of common oast Iron. The feed apparatus of the two machines L are very dissimilar. That of the Singer Is the usual slip feed. The Davis has ’the ( vertical feed peonllar to itself. In this arrangement the presser 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 oontrivanoe, moved forward simultaneously the required length of etitoh. Motion is 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 la tarn transmits It through a ball joint of ingenious oonstmo tlon to the only moving part under the maohlne, 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 carrier. 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 two principal movements, the eooentrlo and the ball joint, are adjustable, and the parts most liable to wear are made of hardened steel. To compass the same work the 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 are adjustable. The small wheels are common oast Iron, having a certain amount of backlash, and consequent tendency to rattle and and break. The oonneoting rod Is a thin bar of Iron, with a hole in each end. The end which runs on tho 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 lateral strain 1s given by the driving rod, causing a certain amount of friction, while In the Davis it Is carried by tho 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 shuttle, that oat not be cat 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, bnt at every essential point means are provided for taking np any wear. On this point we may say that where wo 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 work, and we noticed the very peculiar feed of tho Davis. In this respect we have been forced to tho conclusion that for all purposes, sewing from the thinnest muslin to even through a motal spoon, the Davis has no parallel for grasp, or for avoiding that puckering often the effect of tho pressure on a fore motion feed. We must in common honesty express oar astonishment at the range and variety of work accomplished by the Davis, which we are satisfied cannot be done by the Singer. In summarising our report wo repeat that we have 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 tho heaviest fabric. 1 JOHN LEE SOOTT (Scott Bros.), Mechanical Engineer, T. GLUYAS PASOOE, Manager of the Ealapol Clothing Factory. GHO. P. ANTHONY, Meohanioal Expert, from Nettlefold’s, Blr- _ mlngham. 8300

Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/GLOBE18820921.2.10.4

Bibliographic details

Globe, Volume XXIV, Issue 2638, 21 September 1882, Page 2

Word Count
1,182

Page 2 Advertisements Column 4 Globe, Volume XXIV, Issue 2638, 21 September 1882, Page 2

Page 2 Advertisements Column 4 Globe, Volume XXIV, Issue 2638, 21 September 1882, Page 2

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