"The Bends"--should be 15 feet

[Gerald Cohen]

James Landau is correct in spotting my typo of "155 feet".  I just
double-checked the original article, and the number given is 15
(fifteen). Sorry for the slip.

Gerald Cohen


At 7:26 PM -0400 4/16/02, James A. Landau wrote:
>In a message dated 04/16/2002 3:02:46 PM Eastern Daylight Time,
>gcohen at UMR.EDU writes:
>
>>   The trouble started gradually, when the east caisson was
>>   just 155 feet deep in the riverbed, with 24 pounds of pressure
>>   filling the work chamber.  A number o f workmen suddenly began
>>   suffering sharp pains in their limbs and joints after leaving the
>>   caisson
>
>"155 feet" in line 2 should read "55 feet", for which an air pressure of 24
>(1 3/5 atmospheres) is correct.  At 155 feet you would need close to 5
>atmospheres (70-75 pounds).