Metrologia
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
H
h
H
hand
hartley
hartree
Hefner-Alteneck Friedrich von
helmholtz
henry
hertz
Hill Archibald Vivian
Hoffmann Gerard
horse-power
horse-power
HTM
hubble
hundredweight
hundredweight
1