1868 Rohr (23 results)

Condition: New.

Condition: As New. Unread book in perfect condition.

Hardback or Cased Book. Condition: New. Eyes and Spectacles. Book.

Condition: New. In English.

Condition: New.

Condition: New. In English.

Condition: As New. Unread book in perfect condition.

Condition: New.

Condition: New.

PF. Condition: New. This item is printed on demand. Brand new book, sourced directly from publisher. Dispatch time is 6-7 days from our warehouse. Book will be sent in robust, secure packaging to ensure it reaches you securely.

Condition: New. PRINT ON DEMAND Book; New; Fast Shipping from the UK. No. book.

Soft cover. Condition: Good. 24x16cm, (51) pages., Offprint from 'Ereignisse der Physiologie' VIII. Jahrgang. Pagination runs [541]-592. Minor wear. Corner bump. Small tear to spine. Good. ["..von Rohr was an optical scientist at Carl Zeiss in Jena..usually credited with the design of the first aspheric lenses for eyeglasses. He invented the eyeglass lens designs that became the Zeiss Punktal lenses. He also developed a method of computing depth of field from a camera's entrance pupil location and diameter, without reference to focal length and f-number (see his 1904 and 1906 books). He says, 'At this point it will be sufficient to note that all these formulae involve quantities relating exclusively to the entrance-pupil and its position with respect to the object-point, whereas the focal length of the transforming system does not enter into them'. T. R. Dallmeyer refers to Von Rohr's 'interpretation' of depth of field in his 1899 book Telephotography.."- wikipedia].…

Condition: New. Print on Demand pp. 172.

Condition: New. Print on Demand pp. 172.

Paperback / softback. Condition: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.

Condition: New. PRINT ON DEMAND pp. 172.

Condition: New. PRINT ON DEMAND Book; New; Fast Shipping from the UK. No. book.

Condition: New. Print on Demand pp. 172.

Condition: New. Print on Demand pp. 172.

Condition: New. PRINT ON DEMAND pp. 172.

Hardback. Condition: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.

LeatheBound. Condition: New. Leatherbound edition. Condition: New. Leather Binding on Spine and Corners with Golden leaf printing on spine. Bound in genuine leather with Satin ribbon page markers and Spine with raised gilt bands. A perfect gift for your loved ones. Reprinted from 1912 edition. NO changes have been made to the original text. This is NOT a retyped or an ocr'd reprint. Illustrations, Index, if any, are included in black and white. Each page is checked manually before printing. As this print on demand book is reprinted from a very old book, there could be some missing or flawed pages, but we always try to make the book as complete as possible. Fold-outs, if any, are not part of the book. If the original book was published in multiple volumes then this reprint is of only one volume, not the whole set. IF YOU WISH TO ORDER PARTICULAR VOLUME OR ALL THE VOLUMES YOU CAN CONTACT US. Resized as per current standards. Sewing binding for longer life, where the book block is actually sewn (smythe sewn/section sewn) with thread before binding which results in a more durable type of binding. Pages: 172 Language: English Pages: 172.…

Paperback / softback. Condition: New. This item is printed on demand. New copy - Usually dispatched within 5-9 working days.