Skip navigation
[
Cymraeg
]
Home
Browse by journal
About this site
Help with Welsh (Cymorth gyda’r Gymraeg)
Accessibility
For students
For teachers
For authors and publishers
Links to publishers
Terms and conditions
Contact Us
Search History
Y gwyddonydd
-
Cyf. 24, Rhif 3 Gwanwyn 1987
Electrocemeg o Mesopotamia
Jump to page
[85]
[86]
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
[106]
[107]
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
[127]
[128]
Jump to page
[85]
[86]
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
[106]
[107]
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
[127]
[128]