INDEX. 



Nets, Folding, Pocket . . 

 for Bellows 

 Sugaring 

 Telescopic 

 Nicholson's Hydrometers 

 Nickel Basins 



Scheibler's 



Capsules for Milk Analysis 

 Crucible and Lids 

 Crucibles Tongs 

 Dish with Cover 

 Muffles 

 Spatulas 

 Wire .. 

 ,, Wire Gauze 



Nickel-Chrome Wire Triangles . . 

 Nicol's Specific Gravity Tubes . . 

 Nitrogen Apparatus 



Schwarz's . . 



Bulbs, Fresenius' 

 ,, ,, Volhard's 



Will & Varrentrap's 



,, ,, with Funnel 



Tetroxide Apparatus . . 

 Nitro-glycerine Apparatus 

 Nitrometer Clamps 



Tubes, Crum's 

 Nitrometers, Allen's 

 Horn's 



Lunge's . . 3600-3602, 



Schiff s . . 



Tennant's 



Nobbe's Clover Sampler 

 ,, Corn Sampler. . 

 Separator 



Nosepieces, Bausch & Lomb's . . 

 Leitz's 

 Reichert's 



Swift's 

 Zeiss' 



Novy's Culture Apparatus 

 Bottles 



Filtering Apparatus 

 Thermo-Regulators 

 Nuttall's Incubator 



Object Marker, Leitz's 

 Objective Changer, Zeiss' 

 Objectives, Achromatic, Leitz's 



Reichert's 



Swift's . . 



Zeiss' 



Apochromatic, Leitz's 

 ,, ,, Reichert's 



,, ,, Swift's 



Zeiss' 



Fluorite, Leitz's 

 Oculars, Bausch & Lomb's 



,, Compensating, Reichert's 

 Swift's . . 



.. Demonstration, Leitz's 

 ,. Huyghenian, Reichert's 

 < ,, Swift's . . 



Zeiss' 



Micrometer, Zeiss' 

 .. Projection, Reichert's . . 

 Revolving, Reichert's . . 

 , Spectroscopic ,, 

 Odourless HjS. Apparatus 



No. 



.. 662-663 



2027 



66 5 



664 



3356-3358 

 1958 

 1951 

 2506 



2336-2337 

 4271-4272 



5007 

 6315 



3831-3833 



4384 



4385 



A4284 



3872 



3639-3648 

 3598 

 3596 

 3595 

 3593 

 3594 

 4693 



3615-3623 

 2222 



3599 



3603 



3604 



3605-3610, 3613-3614 



3597 

 3611-3612 



569 

 5691 

 5670 



1338-1341 



1017-1019 



1261-1263 



1398 



1129-1131 

 544 



543 

 .. 693-694 



43J-43 2 

 324 



1049 



1132-1135 

 1064 



1253 

 1400 



1108 

 1068 

 "54 

 1399 

 1107 

 1066 



1343-1344 

 1255 



1401-1402 

 1050 

 1252 

 1403 

 1109 



1113-1121 



1256-1257 



1259-1260 



1258 



A4O4O 



Oertling's'Balances, Assay 

 ,, Bullion 



,, ,, Chemical 



,, Weights 



Oil Burners, paraffin . . 

 Distillation Apparatus, Engler's 

 Flash Point Apparatus, Abel's 



,, Abel-Pensky 



No. 



I739-I747. I749-I75I 

 1 752-1 756 

 1708, 1711-1721 

 1808-1818, 1831-1842, 1865 

 3460 



Gray's 



Pensky-Marten's 

 Flasks 



Engler's 

 Schimmel's . . 

 ,, for Air Pumps 

 ,, ,, Oleorefractometer 

 ,, Furnaces . . 

 ,, ,, Fletcher's. . 

 Gas Plant, Mansfield's 

 ,, Stoves 



,, ,, Petroleum . . 

 ,, Testers, Mackey's 

 ,, ,, Thurston's 

 ,, Thermometers 

 Vapour and Gas Detector . . 

 ,, Viscosity Apparatus, Coleman-Archbutt's 

 Engler's 



,, ,, Kunkler's 



,, ,, ,, Redwood's 



Oleometers 



Oleorefractometer, Jean's 

 Olivers' Clinical Manometer 

 Haemacytometer 

 ,, Haemodynometer 

 Haemoglobinometers ... 

 Opacity Meter, Jones' 

 Opal Glass Scales 

 Ophthalmatrope, Knapp's 

 Opisometer 

 Opsonic Incubator 



Pipettes 



Optical Projection Screens 

 Ore Crushers 



,, Separator, electro-magnetic 

 Orsat's Gas Analysis Apparatus 



4993-5ooo 

 5001-5003 

 5005-65006 

 5004 



3166, 5052 

 . . A2742 

 82742 

 3724 

 4990 



2944-2947, 2969-2971, 3460 

 6228-6229 

 3098-3100 

 6166-6170 

 3461-3462 

 5048-5051 



5045-5047 

 4182-4184 

 5055-5063 

 5017 



5014-5015 

 5016 



5007-5013 

 3302 



4989-4990 

 . . 815-816 

 810 

 812 



. . 829-841 

 3685 

 3244 

 B6oi6 

 4492 

 317 



318-319,614 

 1185-1191 



6189-6194, 6270-6273 

 6321 

 47 T 5-473 



Orsat-Dennis' Gas Analysis Apparatus .. 4715 



Orsat-Fischer's ,, 4721-4722 



Orsat-Lunge's ,, ,, 4717-1^4719 



Orth's Earth Borers . . . . . . . . 5730 



Osmometer Tubes . . . . . . . . 784 



Ostwald's Burner . . . . . . . . 3513 



Capillary Electrometer . . . . 5259 



Slide Meter Bridge . . . . . . 5342 



Thermostat . . . . . . . . 5272 



Outfits, Diagnosis .. .. .. ..511-524 



for Carrying Anthrax Specimens 

 ,, Preparing Mosquitoes 



Oval Specimen Jars . . . . . . . . 3378 



Oven Thermometers . . . . . . 4172-4173 



Ovens, Drying, Brazed, for high temperatures 2462, 2474 



,, Hot Air . . . . 2454-2461 



Hot Water . . . . 2463-2488 



,, Steam.. .. .. .. 2477 



Vacuum . . . . 5229-5232 



Paraffin embedding . . . . . . 394 



Oxygen Blowpipe, Fletcher's . . . . . . 2018 



Cylinders . . . . . . . . 3067 



Gas . . . . . . . . . . 3068 



Retorts . . . . . . 3799-3801 



Tubes, Glass . . . . . . 4310 



Oxy-hydrogen Gas Generator . . . . . . 4682 



Ozone Apparatus, Brame's .. .. .. 4317 



14 -CROSS STREET HATTON GARDEN, E- C 



