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Voyager Rare Books Maps & Prints » Products » Non-fiction » Science including Natural Sciences, Chemistry, Physics, Mathematics, Astronomy, Medical Sciences etc

Science including Natural Sciences, Chemistry, Physics, Mathematics, Astronomy, Medical Sciences etc

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  • Rare Microscope Slide by Harry Webb – Transverse Section of Mistletoe – c1860

    Rare Microscope Slide by Harry Webb – Transverse Section of Mistletoe – c1860

    Harry Webb (1816-1866) was a professional mounter who lived in George Street, Balsall Heath, Birmingham England. His initials are embedded in the custom-made decorative slide papers.

    A nice transverse section of the mistletoe stem.

    There is a brief reference to Harry Webb in the key work by Brian Bracegirdle – Microscopical Mounts and Mounters (page 100) and an unattributed example (Page 39-P). we have this information from a later reviewer who knows their stuff – but we struggle to agree that the example shown in the book is from HW.

    Webb’s work featured in several international shows and he is thought to have been awarded at least one prize. He was recommended by top line microscope makers. Unfortunately, something went very wrong and he took his life drinking phenol – which would not be a nice way to go.

    Rare maker with definitive slide papers – 165 years old!

    $40.00

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  • Observer’s Book of Geology – I.O. Evans

    Observer’s Book of Geology – I.O. Evans

    A 1968 edition of this manual in geology which serves as a great introduction for all players not just young ones.

    The celebrated series is now an area for collectors. There is an Australian based equivalent of which we normally have a copy [take a look] … this edition whilst general is based around UK geology.

    Published by Warne etc., London. Pocket sized, hardback, good jacket, 272 pages, illustrated throughout in black and white and some very nice colour illustrations, particularly the mineral examples. A very good copy.

    Welshman, Evans was fellow of the Royal Geological Society where they know their rocks.

    Geological work of surprising substance

    $20.00

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  • Azurite “Sun” – Copper Mineral, the form, Unique to Malbunka Copper Mine near Areyonga, Northern Territory.

    Azurite “Sun” – Copper Mineral, the form, Unique to Malbunka Copper Mine near Areyonga, Northern Territory.

    A very nice clean example of a decent sized azurite sun with a couple of smaller examples in the usual kaolinite matrix from the Malbunka Mine.

    Azurite formed by the oxidation and weathering of copper deposits – Cu3(CO3)2(OH)2 and this specific indeed unique “sun” structure formed at depth and with high pressure. Monclinic and comes with a variety of colour depths this one Royal to Dark Blue.

    The main sun is 45 mm in diameter and has good crystal definition around its edge. The whole sample weighs 80 gm.

    Azurite “Sun” structure unique to Australia.

    $100.00

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  • Erect-Crested Penguin – Lance Richdale – 1950

    Erect-Crested Penguin – Lance Richdale – 1950

    This is an offprint from the “The Emu” the then official organ of the Royal Australasian Ornithologist’s Union.

    The point of this item is that since 1940 the population of this species of Penguin has been in decline and is now categorised as endangered. They nest on the Bounty and Antipodes Islands. Previously on the Auckland, Campbell etc Islands and the Otago Peninsula but no longer. At the time of writing the report Richdale was probably observing the last Otago nesters …

    Typical offprint faded card covers, 18 pages with quite a few images from photographs of the beautifully crested penguins. Maybe there are some clues in here as to what will soon lead to further reductions in breeding.

    Lance Richdale was a big individual in the bird world – he was a Fulbright Fellow at Cornell and a Nuffield Fellow in his field – later in life he spent time at the Zoological Society in London. Author of the Sexual Behavior of Penguins.

    Erect-Crested doing it tough in the far reaches of the Southern Ocean.

    $20.00

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  • Direct Vision Spectroscope [Produces Super Clear Spectra] – c1890-1910

    Direct Vision Spectroscope [Produces Super Clear Spectra] – c1890-1910

    A fine example of a direct vision spectroscope no makers mark but likely manufactured by John Browning of London. Browning was the top London maker of spectroscopes in the late 19th early 20th Century and, was the leader in spectroscope development.

    Victorian or Edwardian in manufacture. Works very well and produces sublime spectra. Contains a train of five alternating crown and flint glass prisms in order to correct for chromatic aberration. Brass body unmarked and with a complete covering of the original gold lacquer. Plush lined case has some rubbing; the clasp still holds firm.

    This design is also known as the “Rainband” spectroscope and was used by gentlemen scientists to detect the spectral bands that appear as water vapour builds prior to a shower of rain. This is the more sophisticated version with a knurled device for altering the slit width and a draw tube for fine focus. cap to protect the slit from dust is original and fits snugly.

    Very good condition working spectroscope

    $190.00

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  • Australian Opal in Coal Matrix – Antique Microscope Slide – W Hemingway – Derby England – c1910

    Australian Opal in Coal Matrix – Antique Microscope Slide – W Hemingway – Derby England – c1910

    W Hemingway was among a group of thin section microscope slide preparers who specialised in Coal measure inclusions in the North of England at the turn of the 19thC.

    This slide is an unusual one for W Hemingway given the Australian subject. And an unusual slide as one could expect the occurrence of opal within coal measures is quite rare and only likely to arise where coal formations are close to if not adjacent to opal fields. There is a hint of coal at Arckaringa north of Coober Pedy … we are not sure where else … so would be interested to hear from anyone with a clue.

    Slide is nicely prepared as would be expected of Hemingway [Preparer included in primary reference Bracegirdle – example Plate 21].

    Rare slide of a rare occurrence opal in coal – circa 100+years.

    $80.00

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