_ mini of us 
y 
| Marcu, 1884. ] 
THE 
SCIENTIFIC TRANSACTIONS 
OF THE 
Rey. DUBLIN SOCIETY. 
VOLUME III. (SERIES II.) 
III—ON A NEW FORM OF EQUATORIAL TELESCOPE. BY 
HOWARD GRUBB, M.E., F.R.S. (PLATE IL.) 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
PRINTED AT THE UNIVERSITY PRESS, BY PONSONBY AND WELDRICK, 
PRINTERS TO THE SOCIETY. 
1884. 
Price One Shilling. 
