[AT] Preachers and Dynamite?

[Gene Dotson]

    Most common way for blowing ditches is with ammoniun nitrate and dieael 
fuel. Also is sometimes used to open the hard crust for digging footers.

                    Gene



----- Original Message ----- 
From: "charlie hill" <charliehill at embarqmail.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Saturday, September 24, 2011 6:53 PM
Subject: Re: [AT] Preachers and Dynamite?


> Larry,  I remember well when I was a kid, farmers using what they called
> "ditching" dynamite fired in a sequence to blow ditches.  Apparently it 
> was
> a particular grade of dynamite.
>
> Charlie
>
> -----Original Message----- 
> From: Larry Goss
> Sent: Saturday, September 24, 2011 4:19 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Preachers and Dynamite?
>
> Oh my!  I've got to read through that manual very carefully.  It may mean
> that "Uncle Jim's" technique for cleaning irrigation ditches came straight
> from the Blaster's Handbook.
>
> Larry
>
> ----- Original Message -----
> From: "Steve W." <swilliams268 at frontier.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Saturday, September 24, 2011 1:06:51 PM
> Subject: Re: [AT] Preachers and Dynamite?
>
> charlie hill wrote:
>> I used to work with a guy that was a graduate of the Colorado School of
>> Mines.  He graduated sometime in the early 70's I think.  We were working
>> as
>> cost engineers on a huge construction project
>> and never got a chance to talk much about mining but he gave me a copy of
>> the Dupont Blasters Handbook.  It's more than a handbook.  It's over 500
>> pages hardbound on how to rig charges, time sequential charges, etc.
>> It's
>> mostly over my head as I know almost nothing about explosives.  I keep
>> thinking I'll study it sometime but I've had it for 30 years and haven't
>> done it so far.  My how time flies!
>>
>
> This is the 1922 edition
> http://knygos.sprogmenys.net/knygos/Angliskos/Dupont%20Blasters%20Handbook%201922%20ed.pdf
>
> -- 
> Steve W.
>
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