Appendix to Down Bros.' catalogue of surgical instruments and appliances : Octoberr 1910 / Down Bros., Ltd.
- Down Bros. (Firm)
- Date:
- 1910
Licence: In copyright
Credit: Appendix to Down Bros.' catalogue of surgical instruments and appliances : Octoberr 1910 / Down Bros., Ltd. Source: Wellcome Collection.
195/264 page 187
![V A‘. d. 11121 Antitoxin Syringes, glass, with metal mountings and metal piston,— 5 C.C., with 2 steel Needles ill metal ca.se D 17 0 10 c.e., with ditto 1 1 D 20 e.e., with ditto 1 l 0 If fitted with jilatinum-iridium Needles, 3.v. per N'ec'dle ('xti-a. SYRINGE FOR DELIVERING ACCURATE VOLUMES OF TUBERCULINS OR VACCINES (Registered). SiTG(!E.sTEi) BY 1)k. .1. W. H. Eyke, JLacterioiahjlst to CJuy’.*^ Hosimtal. !H22. Syringe for Measuring Vaccines,— H 22 Byre’s (registered), witli 2 pairs of stojis as illustrated . 1 14 (> Extract from the “ Lancet,” April 22, 1910. 'I'liis syriiigo lias boon dosignod to provide a means by wbieb gla.ss “ am- poules ” ma\’ be rapidly and accurately filled with definite quantitiesot fluid. 'I'be amount of fluid ejected from the syringe into each ‘‘ amjiouli' ” is regulatetl b\- means of bos.scs in conjunction with a screw disc stop, the latter regulating the descent of the plunger to the height of the jiarticular bosses employed (O’.') culiic centimetre and 1 cubic centimetre bosses are usually supjilied with the syringe). 'I'lie thread on the piston-rod is of a rapid tyjje, upon which the disc stop tra^•els cpiickly on rocei\ ing a slight impulse from the finger. I'he syringe is so constructed that e^■e^y part may bo sterilized by boiling, and the plunger, which is of asbestos, will absorb sufficient moisture during the jirocess to act as an (dlicient lubricant, d'hese syringes lun'o also been made with metal ])lung<‘rs, hut the asbestos phmgers have provi'd to he more easy and le.ss cost l_\' to maintain. Messrs. Down Hros. owe tlu* suggestion to produce such sc ringes to Dr. J. W. H. Eyre, who has emjiloyed them for sona^ considerable' time in the Dacteriological Department of (!uy’s Hospital, where they have given every satisfaction.](https://iiif.wellcomecollection.org/image/b29012946_0195.jp2/full/800%2C/0/default.jpg)


