. Beck microscopes. Microscopes. No. 331). No. 3286P. Set of 3 patch stops for above No. 3287. 1 No. 3284. Beck dry achromatic condenser. with standard object glass screw ... No. 3288. Beck dry achromatic condenser. 1 , in fitting with iris diaphragm and swing-out tray, green and ground glass screens No. 3291. Beck dry and immersion achromatic and aplanatic condenser. 1-3 in mount with iris diaphragm and swing-out tray with green and ground glass screens No. 3288P. Set of 3 patch stops for Nos. 3288 or 3291 No. 3284. Travis expanding iris patch stop ... No. 3666. Quartz condens
. Beck microscopes. Microscopes. No. 331). No. 3286P. Set of 3 patch stops for above No. 3287. 1 No. 3284. Beck dry achromatic condenser. with standard object glass screw ... No. 3288. Beck dry achromatic condenser. 1 , in fitting with iris diaphragm and swing-out tray, green and ground glass screens No. 3291. Beck dry and immersion achromatic and aplanatic condenser. 1-3 in mount with iris diaphragm and swing-out tray with green and ground glass screens No. 3288P. Set of 3 patch stops for Nos. 3288 or 3291 No. 3284. Travis expanding iris patch stop ... No. 3666. Quartz condenser for fluorescence work. This is corrected for a wave length of 2750 It is mounted in a fitting to suit the stan- dard substage or can be mounted on an Akehurst slide. It is fitted with an iris diaphragm No. 3067 Quartz condenser for fluorescence work. Simi- lar in construction to the Abbe condenser and mounted to fit the standard substage No. 3GG8. Wood's glass filter 2 in. square. This glass cuts out all visual light except the extreme red of which a very small portion is trans- mitted No. 3678. Mirror with aluminium reflecting surface for ultra-violet light, 2 in. dia., flat, unmounted Monochromator for giving beam of pure ultra-violet light Particulars and prices on application. Objects being examined for fluorescence should be mounted on thin mica or quartz, slips. Particulars and prices on application. £0 7 6 2 1 5 15 0 9 15 0 0 7 6 0 12 6 13 10 0 4 10 0 0 15 0 1 1 0 79. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Beck (R. & J. ) Ltd. London : Beck
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Keywords: ., bookcontributorgerstei, bookleafnumber87, booksubjectmicroscopes
