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Old diesel books.....

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Chris-se-ILL

11-07-2003 16:32:45

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Maybe someone here can tell me what the laws are on photo-copying some old diesel book's pages to CD disk or whatever. I have 2 "Hemphill Diesel Schools" books (a main course book, plus a supplement book) that my Grandpa used for a correspondence course back in about 1938. The copyrights on most all of the material is 1936. There is a lot of info on older diesel engines and such in these 2 books. It even tells the starting proceedures for a McCormick-Deering PD40 or TD40, which started as a gasoline engine and then changed over to diesel after 700 revolutions of the crankshaft.

There are illustrations of many different engines for industrial, marine, and aviation usage. There is an illustration of a "Junkers Jumo" aircraft engine that used 2 pistons per cylinder (the tops of the pistons came toward each other in the middle of the cylinder). It shows how a mono-valve (one valve is used for intake and exhaust per cylinder) engine works and tells some of the specs on it. There is a tremendous amount of info in there.

I have thought about putting the photocopied pages (when I get done there should be over 300 pages copied) on CD (to maybe sell for a nominal fee... or maybe not) or posting them on the internet for people to see. I would not think that copyrighted material from 1936 would still be protected.

Any thoughts or knowledge about this?

Thanks,
Chris (south-eastern Illinois)

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JOHN (LA)

11-07-2003 19:34:01

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Re: Old diesel books..... in reply to Chris-se-ILL, 11-07-2003 16:32:45

Copy right laws changed back in the 1970's.
Today the law is life of author plus like 50-70 years. Before the 1970's it was like 30 years but could be extended to up to like 75 years.
Do a search on copy right laws as I am sure you could find the info at the US copyright office web site.
For the age of your books they may still be under copyright if the company extended when available. I would suggest that you write the company with the copyright and ask for a written waver. Since the books are so old and they can not expect to sell any more they may just tell you to go ahead.

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Chris-se-ILL

11-08-2003 08:12:56

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Re: Re: Old diesel books..... in reply to JOHN (LA), 11-07-2003 19:34:01

Thanks John! I have done a "search" and read a bunch of info at the copyright site... but when dealing with the older stuff that is copyrighted the rules get rather vague and confusing! I see where Hemphill Schools is still in operation in California. They do not list "Diesel Mechanics" as one of their courses, so I will write them and check this out. I had read on one site where the copyright laws for this old of a publication would have been maxed out at 67 years (which makes 2003 the last year before it is public domain). But then I read somewhere else that there were a few exceptions that may take it to 75+ years.... so I do not know.

Thus, I do believe that you are correct and I will contact the Hemphill Schools institution.

Thanks again!

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JOHN (LA)

11-08-2003 11:26:40

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Re: Re: Re: Old diesel books..... in reply to Chris-se-ILL, 11-08-2003 08:12:56

OK I did a little research so I could give you more precise info. I am no copyright laywer but my wife does have copyright material so I have read up on it before.
Your copyright is 1936
The original copyright would have been for 28 years or to 1964
They had the option to extend another 28 years if they so desired or to 1992
Under the law put into force in 1976 the second term was automatically increased from 28 yrs to 67 years or to 2031
1936+28+67= 2031
This puts your material well within copyright laws. The only out I see is if the did not extend it at the end of the first term or in 1964. Which is very very doughtfull!!!!
So like I stated before the only hope you probley have is for the company to say they do not use this material any more so they will allow you to use it. I can tell you this may be unlikely but it is posiable. Any thing would have to be in writing to cover your self. I have provided a couple of links to the info I researched.
Hope this helps and good luck.
John

Link

http://www.copyright.gov/circs/circ12.pdf

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Chris-se-ILL

11-09-2003 05:53:27

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Re: Re: Re: Re: Old diesel books..... in reply to JOHN (LA), 11-08-2003 11:26:40

Thanks again John! I looked up Hemphill Schools and the LA (or Pasedena) school is still in business. I emailed them but I do not know if they will even do me the courtesy of returning my email. They seem to do a lot of foreign correspondence courses. Mostly in Spanish, by what I can surmise.

I read much of what you just posted on different sites, but I could never get a complete understanding of when and if the extention's overlapped. On one site there was some opinion given by a copyright lawyer (well, supposedly they were who they say they were!) and this person said that there was a maximum of 67 years total for any material registered before the mid '50s. But then it was sorta gibberish and double-speak too. Dang lawyers! They don't want to make anything easy to read (or understand)..... job security ya know!

I will let you know if they do respond. I do appreciate your assistance, John!

Chris

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