H.—6a.

1876. NEW ZEALAND.

COMPUTATION OF LONGITUDE BETWEEN SYDNEY AND WELLINGTON, BY THE ASTRONOMER ROYAL, SYDNEY.

Presented to hoth Souses of the General Assembly by Command of Sis Excellency.

The Hon. W. B. D. Mantell to the Hon. the Colonial Secbetaby. Sib,— Wellington, Ist May, 1876. I have the honor to enclose, for the information of the Government, a copy of tables recently received by the Yen. Archdeacon Stock from the Astronomer Eoyal, Sydney, containing the computations of longitude based on signals exchanged between this Observatory and the Sydney Observatory, by electric cable, on the 26th March ultimo. I have, &c, The Hon. the Colonial Secretary, Wellington. W. B. D. Mantell.

Computations of Longitude by Signals sent from Sydney to Wellington, New Zealand, 26th March, 1876. h. X. s. No. 1. —9 ~29 ~14637 Wellington time of receiving Sydney signals. 9, 13-209 Correction for Wellington time. 9 „ 38 ~27-906 8 „ 4 „ 11-317 Sydney time of sending. 1„34 „ 16-589 Longitude. No. 2.—9 ~40 ~35-250 Wellington time of receiving Sydney signals. 9„ 13 269 Correction for Wellington time. 9,,49 ~48-519 " 8„ 15 ~31946 Sydney time of sending. 1„34 „ 16573 Longitude. No. 3. —10 ~23 ~35619 Wellington time of receiving Sydney signals. 9 „ 13-669 Correction for Wellington time. 10 ~32 ~48-888 9„58 „ 32-331 Sydney time of sending. 1„34 „ 16557 Longitude.