. Beck microscopes. Microscopes. No. 3H11. Substage, with focussing adjustment by spiral screw and swing-out movement ;(^1 5 0 No. 3285. Small Abbe condenser. A system of lenses mounted |j^^ with an iris diaphragm, to fit the standard substage £1 9 0 No. 328r)A. As No. 32S5 with the addition of tray for colour screens and patch stops ... £1 14 0 No. 3285P. Set of 3 patch stops for above No. 3286. Large Abbe condenser. A system of larger lenses in a fitting with a large iris diaphragm and a swing-out tray for colour screens or patch stops, with green and and ground glass screens No. 3286. 328S.

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. Beck microscopes. Microscopes. No. 3H11. Substage, with focussing adjustment by spiral screw and swing-out movement ;(^1 5 0 No. 3285. Small Abbe condenser. A system of lenses mounted |j^^ with an iris diaphragm, to fit the standard substage £1 9 0 No. 328r)A. As No. 32S5 with the addition of tray for colour screens and patch stops ... £1 14 0 No. 3285P. Set of 3 patch stops for above No. 3286. Large Abbe condenser. A system of larger lenses in a fitting with a large iris diaphragm and a swing-out tray for colour screens or patch stops, with green and and ground glass screens No. 3286. No. 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