No. 3201 Massive Microscope. 
No. 3201M. Stand and 3 substage fittings in case £55 0 O 
No. 3309. Rack and pinion drawtube dS 0-0 
No. 3291. Beck dry and immersion achromatic and aplanatic condenser 
1-3.N.A. 915 0 
No. 3293. Beck patent focussing high power dark ground illuminator HX 7 
No. 3326. Barnard compressor and set of slips dao 500 5aC Za nO 
No. 3397. Metal holders 4 m/m. slides OGG 
No. 3398. 124 m/m. slides for No. 3397 : 0-5) 0 
No. 3266. Compensating eyepiece, 45 m/m. (X 6) . PI 
No. 3268. Compensating eyepiece, 22 m/m. (X11) .. 210 0 
No. 3269. Compensating eyepiece, 15 m/m. (X17) .. 4 MO) ©) 
No. 3270. Compensating eyepiece, 10 m/m. (X25) .. 2 10) 0 
No 3270a. Compensating eyepiece, 5 m/m. (X50) .. 8 sh 
No. 3275. Beck micrometer eyepiece ; 2, #2, 0, 
No. 3273. Erecting eyepiece ... 2 0530 
No. 3257. Bygoade C 5 0} 250 
No. 3011p. 2-in. Achromatic object glass, 50 m/m. 018 O 
No. 3240. 13-in. Apochromatic object glass, 40 ‘m/m. 410 0 
No. 3241. z-in. Apochromatic object glass, 16 m/m. 715 O 
No. 3242. 4-in. Apochromatic object glass, 8 m/m. 910 O 
No. 3245. i in. Apochromatic object glass, 4 m/m. 12 0 O 
No. 3247. ae -in. Apochromatic object glass 1-2 N.A., 2 m/m. 15 0 O 
No. 3249. ue in. Apochromatic object glass 1:4.N.A.;2m/m. ... yay “(0 © 
No. 3280. Sloan object glass changer with 6 Zee and 2 cases . 412 6 
No. 3284. Travis expanding iris stop $00 es 500 ase 012 6 
No. 3328. Double wedge light moderator 417 6 
No. 3333. Set of colour filters . Bf 
No. 3315. SBull’s eye condenser on stand... 210 0 
No. 3359. Beck aplanatic ring reflector for -in. and 3-in. n. object glasses 210 0 
No. 3359a. Beck aplanatic ring reflector for }-in. object glass 210 O 
No. 4960. Beck vertical illuminator with thin glass and pew reflectors ALT 
No. 3367. Dark well 50 S60 oo 450 50¢ 256 es I i @ 
No. 3416. Beck glass trough ... 0) <2) © 
No. 3420. Live box : asc OF 58" 6 
No. 3421. Beck compressor 1.0 
No. 3422. Stage forceps 014 O 
No. 3325a. Thoma Hawkesley hamacytometer Hy 4 
No. 3325s. Chessboard glass plate to fit eyepiece 012 6 
No. 3322. Counting chamber to use with 3325s 0 5 0 
No. 3384. Warm stage ORG 
No. 3276. Eyepiece micrometer as is 010 6 
No. 3277. Stage micrometer 1/10 and 1/100 ‘m/m. 012 6 
No, 3370. Abbe camera lucida wate ae sat 4 5 0 
No. 3375. Drawing table 015 0 
No. 3345. Polarising apparatus 4 4 0 
No. 3358. Iris diaphragm in nosepiece adapter ORLGT SG 
No. 3276a. Cobweb micrometer ‘ 9) 0550 
No. 3050. Tourmaline ... : PSs 0 
No. 3258. Goniometer eyepiece is 415 0 
No. 3349. Holder for tourmaline or compensating eyepiece over “eyepiece 115 0 
No. 3379. Apertometer . aes aoe OF 6. 0 
No. 3781. High power binocular ey epiece, angular model. a ae 13) 10" 30 
Nos. 3266, 3268, 3269. Extra compensating eyepieces for binocular (3) GC 2 
No. 8657. Eyepiece camera with observing tube Ws 
Selected apparatus for testing object glasses 18 0 O 
Case to hold apparatus Soo 560 560 BOC Jo0 ORO 
Assortment of slips, covers, forceps, scissors, needles, 
pipettes; etcy <- 2 j 2552-10 
£289 17 O 
The above apparatus forms a complete equipment except for the illuminant, which cannot be recommended 
withcut knowledge of the available electric supply. Any of the items can be omitted or replaced by others at the 
corresponding reduction or alteration in price, 
to 
