No. 3201 Massive Microscope. 
No. 3201. Stand and 3 substage fittings in case siete Sc 606 ne dao £55 0 O 
No. 3201A. Stand No. 3201 and 3 substage fittings in case... 506 AoC ome OO! ONO 
No. 3291. Beck dry and immersion achromatic and aplanatic 
condenser 1.3 N.A. 30C S15) 10 
No. 3293. Beck patent focussing high power danke ground illuminator Gy. af 
No. 3397. Metal holder for 4 m/m slides wee 50C ole “tis 0 6 6 
No. 3398. 12 4m/m slides for No. 3397 aac ce BE Bor Oba 
No. 3260. 3 Huyghenian eyepieces, 42 m/m. (x6), 25 m/m. (x10) 
and 17 m/m., (x 15) a0 Sot Sut : 1 
No. 3231. 2 in. Object glass, 16 m/m. 500 500 506 3p0 1 
No. 3232. 4in. Object glass, 8m/m. ... wale SoD a eee 3° 5 0 
No. 3236. 4 in. Object glass 1.2 N.A., oil immersion, 3 m/m. 7 
No. 3280. Sloan objective changer and 3 fittings in case 2 
No. 3201B. Set as 3201A, but with dust-tight ee egies No. 3300 in place 
of Sloan changer : oes 500 £86 5 O 
No. 3201C. Stand No. 3201 and 3 qigace fittings in case 550 506 Sug = ed OP 0) 
No. 3291. Beck dry and immersion achromatic and Sei 
condenser 1.3 N.A. 9550 
No. 3292. Beck patent focussing high power dark aot laminator: eg O 
No. 3397. Metal holder for 4 say slides OF 616 
No. 3398. 124 m/m. slides for No. 3397 0 a0 
No. 3266. Compensating eyepiece, 45 m/m. (x 6) 2 2 0 
No. 3268. Compensating eyepiece, 22 m/m. (x 11) 210 O 
No. 3270. Compensating eyepiece, 10 m/m. (x 25) ZO {0 
No. 3241. %in. Apochromatic object glass, 16 m/m. ial Se O 
No. 3242. - 4.in. Apochromatic object glass, 8 m/m. ost ae SelOR 0 
No. 3247. in. rei object oe 1.2 N.A., oil immersion, 
3 m/m. : Id; (0) 0 
No. 3280. Sloan objective changer aad 3 ees in case rey AO) 
———_—— £2 18 0 
No. 3201D. Set as No. 3201C, but with dust-tight triple pes No. 3300 in ec 
of Sloan changers é S00 sit SUG TSO 
No. 3780. High power binocular Syepicce: Suaicne model 566 Ace san ete it ves £10 10" 10: 
No. 3781. High power binocular eyepiece, angular model... doo Soc Tee oe £13 10 0 
Extra eyepieces for binocular at listed prices. 
No. 3779. Angular eyepiece attachment ae 608 alae are Sine 50% 006 Sho £115 0 
MASSIVE MICROSCOPE OUTFIT FOR HIGH POWER DARK GROUND ILLUMINATION 
AS USED BY THE NATIONAL INSTITUTE OF MEDICAL RESEARCH. 
No. 3201F. Stand No. 3201 and 3 substage fiitings in case... ster she soo ey 0) ) 
No, 3309. Rack and pinion drawtube ; iy {0 
No. 3288. Achromatic condenser 1 N.A. : 515 0 
No. 3293. Beck patent focussing high power dark ground illuminator 7 
No. 3266. Barnard compressor ‘and | supply of glasses 2) 8 Z= 36 
No, 3397. Metal holder tor $ m/m. slides sis ee 0-6 °6 
No. 3398. 124 m/m. slides for No. 3397 OP a0 
No. 3399. 4 gross4m/m 3 x 1 slides tas 0 4 3 
No. 3266. Compensating eyepiece, 45 m/m. ( x 6) ra eae NY) 
No. 3268. Compensating eyepiece, 22 m/m. (x 11) 7A NOW 
No. 3270. Compensating eyepiece, 10 m/m. (x 25) 210) 10 
No. 3241. #%in. Apochromatic object glass, 16 m/m falta =O 
No. 3242. 4in. Apochromatic object glass, 8 m/m. : 00 ap 910 0 
No. 3248. yy in. Apochromatic object glass 1:2 N.A., 2 m/m., oil 
immersion 36e ode 18 0 O 
No. 3280. Sloan objective changer ‘with 3 fittings in case 7 lef 
No. 3328. Double wedge light moderator Sb 417 6 
No. 3333. Set of Wratten & Wainwright screens 3 ef Lah 
No. 3650. Photomicrographic camera 20 0 0 
No 38615. Mercury vapour lamp . 20 ORO 
No. 3617. Resistance for high voltages* . 3) OF 0 
No. 3327. Didymium light filter 5 ae Oa OI 
———— £173 9 9 
* The resistance listed is for high voltage direct current (D.C. 200—240), resistances 
for other currents can be quoted for. 
ail 
