Thames Measurement

Thames Measurement, also known as '''Thames Tonnage''' is a measurement of smaller vessels (ships and boats)

= \left ( ({length}-{beam}) 	imes {beam} 	imes rac {beam}{2} 
ight ) / {94}

Since schoolchildren are trained to simplify all equations, it is odd that this equation has not been simnplified. It may be that it has been left in "full" to seek to show the rationale for the measurement.

Simplification:

= rac {({length}-{beam})	imes{beam}^2} {188}

Further simplification may only serve to complicate calculation

REFERENCES

{Link without Title} {Link without Title} . These sources do not explain whether "length" is "length overall" or "waterline length". The units for length and beam are unspecified, but are assumed to be feet since the Ton itself is an Imperial Unit and the yard is not used in ship dimensions.

Another source states a less mathematical root as: "''a measure of a ships size calculated by measurements, derived originally from estimating the number of 'tun' barrels of wine a ship could carry.''"^{{Link without Title}}

	CATEGORIES ABOUT THAMES MEASUREMENT

	sailing rules amp; handicapping

	volume

	mass

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Information About

Thames Measurement