THE BRAILLE ALPHABET
63 characters of the cell in seven lines — 26 letters, the digits, the punctuation and 8 prefixes
US$2.50
THE EIGHT BLOOD TYPES
three antigens, eight types — and the one rule the whole table of compatibility follows from
US$2.50
63 characters of the cell in seven lines — 26 letters, the digits, the punctuation and 8 prefixes
three antigens, eight types — and the one rule the whole table of compatibility follows from