An Agar Disc Remover for Use in Microbiological Assays

MEADOWS An Agar Disc Remover for Use in Microbiological Assays 6y G. Mrl.oows (City Loboratory, Salford, Lancashire) Details are given of an easily-constructed apparatus for the removal of small discs of agar from plates for microbiological procedures. t has p.roved a verlr emcient device for this technique. A length of brass tubing ofthe stated dimensions is given a smooth outside tapei and four notches filed in it as shotvn. The inaer tube, also of brass, is chosen to give a fairly close sliding fit into the outer tube. Four flats are filecl on tiris, corresponding in position to the outer notches, and the tube is giver: an inside taper. The tubes are assenibled as shown, making sule the flats and notches correspond to gir.e sma11 air vents, and held together with thin-ivalied lubber tubing.