Cathetometer

Cathetometer (cathetometer)
n.	(?)
Cath`etom"eter
[From Gr. &?] vertical height + -meter.]

An instrument for the accurate measurement of small differences of height; esp. of the differences in the height of the upper surfaces of two columns of mercury or other fluid, or of the same column at different times. It consists of a telescopic leveling apparatus (d), which slides up or down a perpendicular metallic standard very finely graduated (bb). The telescope is raised or depressed in order to sight the objects or surfaces, and the differences in vertical height are thus shown on the graduated standard.

[Written also kathetometer.]

Why Donate?

Here are a number of reasons:

To indicate your approval.
To express your appreciation.
To help pay for website expenses and keep this website online.

Donate Using PayPal

If you have a major credit card (Visa, MasterCard, American Express) or a PayPal account, donating is easy. Just click the dollar amount below to donate:


$ 5	$ 10	$ 20	$ 50	$ 100	$ Other $

Donations from Outside of the United States

We welcome donations from anywhere in the world and in any currency. PayPal accepts a number of international currencies.

Donations by Other Methods

If you wish to donate via direct bank deposit or mail a cheque or money order, please email me .

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia

Cathetometer

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: offspring

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain. - Wikipedia

Cathetometer

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: offspring

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia