Signal for zero and the letter J.

Signal J

Signal for zero and the letter J.

Signal for negative and the letter K.

Signal K

Signal for negative and the letter K.

Signal for the letter L.

Signal L

Signal for the letter L.

Signal for the letter M.

Signal M

Signal for the letter M.

Signal for the letter N.

Signal N

Signal for the letter N.

Signal for the letter O, and an interrogatory.

Signal O

Signal for the letter O, and an interrogatory.

Signal for an affirmative, and the letter P.

Signal P

Signal for an affirmative, and the letter P.

Signal for the letter Q.

Signal Q

Signal for the letter Q.

Signal for acknowledgement, and the letter R.

Signal R

Signal for acknowledgement, and the letter R.

Signal for the letter S.

Signal S

Signal for the letter S.

Signal for the letter T.

Signal T

Signal for the letter T.

Signal for the letter U.

Signal U

Signal for the letter U.

Signal for the letter V.

Signal V

Signal for the letter V.

Signal for the letter W.

Signal W

Signal for the letter W.

Signal for the letter X.

Signal X

Signal for the letter X.

Signal for the letter Y.

Signal Y

Signal for the letter Y.

Signal for the letter Z.

Signal Z

Signal for the letter Z.

Signal for numerals.

Signal numerals

Signal for numerals.

Decorative letter 'W'.

W

Decorative letter 'W'.

Decorative letter 't'.

T

Decorative letter 't'.

Decorative letter 'a', with a hooded figure reading a book.

A

Decorative letter 'a', with a hooded figure reading a book.

Decorative letter 'w'.

W

Decorative letter 'w'.

Decorative letter 't', with two books behind it.

T

Decorative letter 't', with two books behind it.

Decorative letter 'p'.

P, Decorative

Decorative letter 'p'.

Decorative letter 'i'.

I

Decorative letter 'i'.

Decorative letter 'a'.

A

Decorative letter 'a'.

Decorative letter 'b', with a sun and polearm behind it.

B

Decorative letter 'b', with a sun and polearm behind it.

Decorative letter 'y'.

Y

Decorative letter 'y'.

Decorative letter 'j'.

J

Decorative letter 'j'.

"A spectrum of sunlight is crossed by dark lines, many hundreds of whcih have been counted and accurately mapped. The more conspicious of these dark lines are distinguisged by letters of the alphabet. A few of these dark lines in the solar spectrum are due to absorption in the earth's atmosphere, but by far the greater number originate in the selective absorption of the solar atmosphere itself." — Avery, 1895

Visible spectrum

"A spectrum of sunlight is crossed by dark lines, many hundreds of whcih have been counted and accurately…

The name of a genus of gigantic trees of the pine family, nearly allied to the bald cypress of the southeastern United States, and so named from the Indian chief Sequoiah, who invented the Cherokee alphabet. There are only two chief species, the redwood and the mammoth, both of which are native to California.

Sequoia

The name of a genus of gigantic trees of the pine family, nearly allied to the bald cypress of the southeastern…

The full signed language for the deaf or mutes.

Complete Signed Alphabet

The full signed language for the deaf or mutes.

A telegraph in which the letters of the alphabet or figures are placed on a circular plate in such a manner that they can be brought to succession to an opening, or indicated in sucession in some other way, as by a pointer.

Disc Telegraph

A telegraph in which the letters of the alphabet or figures are placed on a circular plate in such a…

A tablet by the Norsemen.

Norsemen Tablet

A tablet by the Norsemen.

Norsemen alphabet.

Norsemen

Norsemen alphabet.

The Hebrew Alphabet.

Hebrew Alphabet

The Hebrew Alphabet.

The Greek Alphabet.

Greek Alphabet

The Greek Alphabet.

Cyrillic and Russian Alphabets

Cyrillic and Russian

Cyrillic and Russian Alphabets

Hebrew and Greek Alphabets.

Alphabets

Hebrew and Greek Alphabets.

The hieroglyphic alphabet.

Heiroglyphics

The hieroglyphic alphabet.

The one-handed sign language alphabet.

One-handed Alphabet

The one-handed sign language alphabet.

The two-handed sign language alphabet.

Two-handed Alphabet

The two-handed sign language alphabet.

One-handed Sign for A.

A

One-handed Sign for A.

One-handed Sign for B.

B

One-handed Sign for B.

One-handed Sign for C.

C

One-handed Sign for C.

One-handed Sign for D.

D

One-handed Sign for D.

One-handed Sign for E.

E

One-handed Sign for E.

One-handed Sign for F.

F

One-handed Sign for F.

One-handed Sign for G.

G

One-handed Sign for G.

One-handed Sign for H.

H

One-handed Sign for H.

One-handed Sign for I.

I

One-handed Sign for I.

One-handed Sign for J.

J

One-handed Sign for J.

One-handed Sign for K.

K

One-handed Sign for K.

One-handed Sign for L.

L

One-handed Sign for L.

One-handed Sign for M.

M

One-handed Sign for M.

One-handed Sign for N.

N

One-handed Sign for N.

One-handed Sign for O.

O

One-handed Sign for O.

One-handed Sign for P.

P

One-handed Sign for P.

One-handed Sign for Q.

Q

One-handed Sign for Q.

One-handed Sign for R.

R

One-handed Sign for R.