On the internal structure of the Earth considered as affecting the phenomena of precession and nutation [...]. [Smithson. Contrib. Knowl., 310.]

Following conditions of sale apply:
Terms of Sale

All books and papers are offered for sale subject to being unsold; book listings are updated regularly but at least once a week. Descriptions have been made carefully and all material is guaranteed to be in good second-hand or better condition if not stated otherwise; markings as found frequently in secondhand books (e.g. small stamps, former owner’s names, etc.) are mostly not mentioned if unobtrusive.
Any item found unsatisfactory can be returned for any reason within one week after receipt against full refund (minus shipping charges), later returns will be accepted only with our previous written permission.
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Postage is extra to which is added a standard amount of € 1.00 per parcel towards cost of quality packing and handling.
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Printed Catalogues are available regularly on certain comprehensive subjects and will be sent free of charge, please inquire.

BARNARD, John Gross (1815-1882).: - On the internal structure of the Earth considered as affecting the phenomena of precession and nutation [...]. [Smithson. Contrib. Knowl., 310.]