Re: Ambiguous Measurement Terminology

From: Marshall Burns (
Date: Tue Feb 02 1999 - 05:43:08 EET

From: Tom Richards <>

>I prefer the round number of 0.001-inches, or one "HGA", which is to say
>one-Half of a Gnatt's Ass.

    But those of us who prefer metric would rather round it up to 0.1 mm, or
a TGA for 2 Gnatt's Arses.

Best regards,
Marshall Burns

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>At 09:09 AM 2/1/99 -0500, you wrote:
>>-- [ From: Al Hastbacka * EMC.Ver #2.5.3 ] --
>>I have noticed that went RP people talk about measurements in mils,
>>there can be a great deal of confusion. The problem comes about,
>>because depending on the background of the person, this can mean
>>millimeters or thousandths of an inch. For example, 2 mils may be
>>interpreted as two millimeters or 0.002 inches.
>>In order to overcome this problem, I propose that we use a new standard.
>> You have probably heard the statement that a "measurement was on within
>>a gnats ass". In order to understand what this really means, I have
>>examined some photographs of gnats and measured what appears to be their
>>ass. From these photographs, the average value of the gnats ass came
>>about to be 0.002 inches or 0.05 millimeters.
>>I am therefore proposing an unambiguous measurement amongst RP'ers to be
>>GA units (GA is the abbreviation for gnats ass), where a GA is 0.002
>>inches or 0.05 millimeters.
>>What do you think?
>>Al Hastbacka

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