FELTON, GRIMWADE&CO., 



W&LhfAtznh Brttj Hlmbants, 



MATVTTI^ACT^TFfcllNX^ CHEMISTS, 



IMPORTERS OF EVERY DESCRIPTION OF 



MICROSCOPES. MICROSCOPICAL ACCESSORIES. CALVANIC BATTERIES. CHEMICAL AND SCIENTIFIC 

 APPARATUS, &C. &C. 



SUPERIOR S1UBIITS' MICROSCOPES. 



BECK'S "STAR" MONOCULAR MICROSCOPE, with rack and pinion coarse adjust- 

 ment, iris diaphragm, double mirror, fine adjustment by <;crew : i eye-piece, i in. and % in. 

 objective, in case, £4 12s. 6d. 



BECK'S "ECONOMIC" MICROSCOPES, from £7 6s. to £11 us. 



BECK'S "POPULAR" MICROSCOPES, from £,2 5 s. to ^27 5 s. 



BECK'S "NATIONAL" MICROSCOPES, from j£ix 5s. to ,£38 10s. 



Particulars of various other Microscopes, by best English ami Foreign 

 Makers, may be had on application. 



-0©C>0<00°- 



342—6 LITTLE FLINDERS ST.. MELBOURNE. 



Manufacturers of Water Meters, Turret Clocks, &c, &c. 



Repairs and alterations undertaken. Men sent to any suburb to take out Meters 



for repair. Microscopes and Scientific Instruments repaired. 



Wheels and Racks of all kinds cut to order. Circular Dividing-. 



TO MICROSCOPISTS.-WIicrometer Rulings. 



Stace Micrometers Eye-piece Micrometers, and Test Plates. 



Stage Micrometer, lOOths and l,000ths of an inch, or lOths and lOOths of a millimetre - 6/- eacb 



Do. both systems on one slide ...... 7/6 ,, 



Test Plate for Medium-power Objectives, 7 bands, varying from 500 to 2,000 per mm. (=1?,700 



to 50,800 per inch) ......... 15/. „ 



Test Plate for High-power Objectives, finest band, at the rate of over 100,000 per inch ■ To order. 



These rulings are executed by Mr. J. Shephard, on a machine specially designed and constructed by D., S. & Co. 

 Comparison with micrometers issued by leading opticians of England and America shows the imported article 

 to be less accurate. 



135 CITY ROAD. SOUTH MELBOURNE. telephone 848. 



E- CWERRY «Sl SONS, 

 i6ntonioIocjical & flIMcroscopical Cabinet flDafcers* 



Natural History Requisites of every description. 



store boxes- Corked and Papered both sides— 



10 x 8, 4s. 6d. I 12 x 10, 5s. | 15 x 12, 5s. 6d. 



setting BOARDS- Corked and Papered in lengths. 14 inches 



Under 2 inches wide, Is. ; up to 3-inch, Is. 3d. ; up to 6-inch, Is. 6d. 



TRAVELLING CASE, WITH ONE DOZ. ASSORTED SETTING BOARDS, 20s 



Samples to he teen at Field Naturalist Club's Library. Write for further particulars. 



