Speculum

Speculum (speculum)
n.	(?)
Spec"u*lum
; pl. L. Specula (#

A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman archæology.

A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below.

An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations.

A bright and lustrous patch of color found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female.

Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.

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

Speculum

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: may

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

Speculum

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: may

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