Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Collection

Filename

Notes

Edgerton Collection

MC025_nb41_017.tif

MC025 is the collection number for the Edgerton Collection in the Institute Archives.  nb stands for notebook; nb41 stands for notebook #41.  017 stands for the 17th sequential image of notebook #41 (which may or may not be exactly page #17).  In this case, the source for the digital image is the notebook itself.

Edgerton Collection

MC025_nb41-mf_017.tif

As above, except that the source for the digital image is the microfilm of the notebook.  nb41-mf stands for the microfilm (mf) of notebook #41.  017 stands for the image of the 17th whole frame on the microfilm.

Edgerton Collection

MC025_nb41-mf-split_017.tif

As above, except that the digital images have been split and cropped so that they no longer represent a whole frame from the microfilm.  nb41-mf-split stands for split images made from the microfilm of notebook #41.  017 is the 17th sequential image.

Science Journals

000291693_v001_0001.tif

000291693 is the system number for the Aleph record on which this volume of Transactions of the American Society for Steel Treating appears.   v00001 stands for volume 1, and 0001 stands for the first image of this volume.

Variations

aeg9051c.wav

A NOTIS-style identifier. The sequence number is actually an alphabetic character, in this case a "c" indicating that the file is third in a set of files for this item.

Variations

aeg9051c-192k.mov

Same as above, but a derivative file encoded at 192kbps.

Hoagy Carmichael photos

ATM-MC2-3-11-30-p1-screen.jpg

A sample derivative file.

Book (Off Campus Collection)

001020855_0064.tif

001020855 is the Aleph system number for this edition of The Principle of Relativity.  0064 stands for the 64th image of the book.  The source for the digital image is the book itself.

Book (Off Campus Collection)

001020855_0064-tn.jpg

As above, except this is a derivative file.  0064-tn stands for the thumbnail (tn) of image 0064.

What is Engineering? Freshman Lecture Series

000565646_pt01.mj2
<ac:structured-macro ac:name="unmigrated-wiki-markup" ac:schema-version="1" ac:macro-id="c2a22684-4406-4c2c-8ca0-1803c303ce4a"><ac:plain-text-body><![CDATA[ 000565646_pt02.mj2

000565646 is the Aleph system number for lecture no.2 from the 1977 What is Engineering freshman lecture series.  pt01 and pt02 stand for two Motion JPEG 2000 files, one for each part of the lecture. (The original lecture was recorded on two tapes, parts 1 and 2, and this division has been maintained.)  [Hypthetical example; these mj2 files do not exist]

]]></ac:plain-text-body></ac:structured-macro>

What is Engineering? Freshman Lecture Series

000566595_pt01.mj2
000566595_pt02.mj2

000566595 is the Aleph system number for lecture no.2 from the 1978 What is Engineering freshman lecture series.  pt01 and pt02 stand for two Motion JPEG 2000 files, one for each part of the lecture.

What is Engineering? Freshman Lecture Series

000566603_pt01.mj2
000566603_pt02.mj2

000566603 is the Aleph system number for lecture no.3 from the 1978 What is Engineering freshman lecture series.  pt01 and pt02 stand for two Motion JPEG 2000 files, one for each part of the lecture

Cushman

P15754.tif

Files in the Cushman collection are all of one type, and they don't consist of pages, so the filename only consists of the local identifier.

Filename standards currently i