86 Viezc of Mr Barlow's Magnetical 
guns, &c. had a cargo of more than 400 tons of iron and steel ; 
and it may easily be imagined, that such a cargo would pro- 
duce an effect on the compass at least equal to the Griper and 
Barracoota ; and this alone would be quite sufficient to account 
for the otherwise unaccountable circumstance, that after having 
Beachy-head in sight at 6 o'clock in the evening, the vessel 
should have been wrecked upon the same spot at 1 or 2 o'clock 
in the morning, without the least apprehension of being at all 
near shore." 
“ These subjects are unquestionably deserving of the atten- 
tion of the first maritime nation in the world ; and I am willing 
to hope, that the labour and attention I have bestowed on this - 
inquiry for the last five years, will be found advantageous to 
nautical science, and entitled to the favourable consideration of 
those public boards, who are its natural patrons and protec- 
tors." 
We are gratified in having to state, that the Board of Lon- 
gitude has expressed its opinion of the importance of these dis- 
coveries, by conferring on Mr Barlow the largest premium 
(<B500) allowed by the late Longitude Act ; at the same time 
stating, that this sum is not to be considered as any remunera- 
tion for the time and expences bestowed upon the inquiry, which 
is recommended to be considered by the Navy and Admiralty 
Boards, as distinct from the above reward. We doubt not that 
the other public Boards, independent of Government, but inte- 
rested in the progress of navigation, will express their opinion 
of Mr Barlow's labours by similar marks of approbation. 
After this sheet had actually been prepared for going to 
press, we learnt that Professor Barlow and Lieutenant Foster 
had instituted a very careful set of experiments, on board both 
the Hecla and F ury, first without, and then with the Plate. We 
understand that the results give the strongest confirmation of 
all that has been said above, and that the Plate affords a perfect 
correction ; but we have not succeeded in obtaining the details, 
which, however, we hope to lay before our readers in the next 
Number. 
