Original file (540 × 693 pixels, file size: 96 KB, MIME type: image/jpeg)

Description
Русский: Иван Иванович Боргман - (12 (24) февраля 1849, Санкт-Петербург, Российская империя — 4 (17) мая 1914, там же) — русский физик, с 1888 года профессор Санкт-Петербургского университета.
Date before 1917
date QS:P,+1917-00-00T00:00:00Z/7,P1326,+1917-00-00T00:00:00Z/9
Source
institution QS:P195,Q15097244
Author uknown; photo retake by George Shuklin
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copyright status

public domain

data size

98,288 byte

height

693 pixel

width

540 pixel

media type

image/jpeg

checksum

130d2b1eacab30dc762595835ce83db9193c5a3d

determination method or standard: SHA-1

exposure time

0.02 second

f-number

2.2

ISO speed

100

instance of

photograph

focal length

35 millimetre

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Date/TimeThumbnailDimensionsUserComment
current20:16, 23 May 2009Thumbnail for version as of 20:16, 23 May 2009540 × 693 (96 KB)George Shuklin{{Information |Description={{ru|Иван Иванович Боргман - (12 (24) февраля 1849, Санкт-Петербург, Российская империя — 4 (17) мая 1914, там �

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