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Courtney,

"The tables are based on a modified form of the haversine cosine formula.
They provide a rapid solution of spherical triangles of the celestial or
terrestrial sphere."


----- Original Message -----
From: "Courtney Thomas" 
To: 
Sent: Saturday, May 28, 2005 2:38 PM
Subject: Re: Martelli's Navigational Tables


> Please excuse my ignorance, but what is the value of Martelli's tables ?
>
> Thank you,
> C. Thomas
>
>
> On Sat, 2005-05-28 at 12:36, Victor Garand wrote:
>> Henry,
>> The 1952 edition (new GHA edition with additional examples and quick
>> reference charts (59 pages) ...) includes the following:
>> -Position Line (sun or star), longitude, latitude and intercept (St.
>> Hilaire
>> or calculated altitude) methods.
>> -Position Line (circumpolar star), longitude, latitude and intercept (St.
>> Hilaire or calculated altitude) methods.
>> -Deviation of magnetic compass.
>> -High-altitude ex-meridian.
>> -Amplitudes.
>> -Identification of stars.
>> -Great Circle distance and initial course.
>> -Calculation of points on Great Circle.
>>
>> Googling, I found that some used book dealers have a copy of these tables
>> but I couldn't ascertain the vintage.
>>
>>
>> ----- Original Message -----
>> From: "Henry C. Halboth" 
>> To: 
>> Sent: Friday, May 27, 2005 9:22 PM
>> Subject: Re: Martelli's Navigational Tables
>>
>>
>> >I have used the 1914 edition and still do for the time sight solution. I
>> > really did not know that these tables had continued in print as late as
>> > 1952 and must assume them to have been modernized to allow for an
>> > intercept and azimuth solution.
>> >
>> > On Wed, 25 May 2005 10:17:27 -0600 Victor Garand 
>> > writes:
>> >> Is there anyone on the list who still uses these? My edition is a
>> >> 1952 edition, is there a later edition?
>> >
>

   

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