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PRICE OF INSTRUMENTS AND APPARATUS 

 DESCRIBED IN PREVIOUS PAGES (1922) 



MICROSCOPE STANDS 



No. Page £ 3. d. 



3210 97 Standard London Microscope, with plain sub- 



stage, with iris diaphragm; stand only, in 



case . . . , . . . 10 10 



3211 93 Standard London Microscope, with spiral screw 



focussing substage ; stand only, in case . 11 15 



3212 100 Standard London Microscope, with rack and 



pinion substage ; stand only, in case . . 13 10 



3213 99 Standard London Microscope, with rack 



and pinion centring focussing substage ; stand 



only, in case . . . . . . 14 10 



3214 104 Standard London Microscope, with standard 



body, circular rotating stage, screw focussing 



substage ; stand only, in case . . .14 5 



3215 104 Standard London Microscope, with standard 



body circular rotating stage, rack and pinion 



focussing and centring substage ; stand only, 



in case ....... 



3216 103 Standard London Microscope, with circular 



rotating stage, large 2-inch body, rack and 

 pinion focussing and centring substage ; 

 stand only, in case . . . . . 19 



3217 103 Standard London Microscope, with circular 



rotating stage, with double extension rack 

 and pinion drawtubes, rack and pinion 

 focussing and centring substage ; stand only, 

 in case . . . . . • . 23 



— 116 Binocular body in place in ordinary body on 



Stands 18 



3221 101 Standard London Portable Microscope, with 



rack and pinion focussing and centring 

 swing-out substage and mechanical stage, in 

 case ....... 



3227 117 Standard London Metalliu-gical Microscope; 



stand only 15 10 



3225 118 Standard Microscope, with Rowley metallur- 



gical attachment ; stand only, in case . 23 2 



3226 120 Metallurgical Bench Microscope Stand, without 



case, but with vertical prism illuminator 

 lamp, with cover tubes and fittings complete 

 for plugging into 220- volt or 100- volt circuit. 13 10 



3222 123 Standard Petrological Microscope, with nose- 



piece analyser, eyepiece with cross-wires, 

 polarising and analysing prisms, converging 

 system of lenses, Becke lens, mica J-wave 

 plate, and Klein's quartz plate ; stand only, 

 in case ...•••• 



135 



28 



29 



