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  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
The Preparation and Mounting of Microscopic Objects

The Preparation and Mounting of Microscopic Objects

Davies, Thomas

Paperback

General World History

Currently unavailable to order

ISBN10: 1150132523
ISBN13: 9781150132520
Publisher: General Books
Pages: 80
Weight: 0.35
Height: 0.17 Width: 7.44 Depth: 9.69
Language: English
This historic book may have numerous typos, missing text or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1881. Not illustrated. Excerpt: ... CHAPTER VIII. MISCELLANEOUS. It must be evident to all readers that there are various objects of interest to the microscopist which cannot be properly placed amongst any of the forementioned classes, but must not be omitted in such a guide as this professes to be. Of these may be mentioned the circulation of the blood in various animals, the rotary motion of the fluid in many plants, the best means of taking minute photographs, &c. &c. Perhaps the most interesting of these objects is the circulation of the blood through the finer vessels of various parts of animals used for these purposes, which parts, it is evident, must be very transparent to afford a perfect view of this phenomenon. The web of the frog's foot is very frequently employed, but requires a certain arrangement, which we will now describe. A piece of thin wood (Dr. Carpenter recommends cork) is taken, about eight inches long and three wide; about an inch from one end is cut a hole, half or three-quarters of an inch in diameter. The body of the frog is then placed in a wet bag, or wrapped in wet calico, whilst the hind foot projects; the whole is then laid upon the piece of wood, so that the foot, which is left free, may be extended over the hole. The web must then be spread out, and secured, either by loops of thread fastened to the toes and attached to small pins placed around the hole in the wood, or the pins may be inserted into the wood--through the web. A few bands of tape must be passed round the body, the leg, and the wood, to prevent any disarrangement arising from the struggles of the animal. Care must be taken that the tape be not too tight, else the circulation will be very slow or altogether stopped. The wood must now be fixed upon the stage, with the aperture under the objectglass: thi...

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