COMRADES OF BATTERY A: --The time for the fulfilment of my promise to you, has arrived. The days of our trials, hardships and sufferings are past, and it but remains to memorize the period during which we were battling for the sacred cause of the Union. Although we have not seen the closing contest of this sanguinary strife, yet I feel confident that we have done our share towards securing a good end, and nobly has the old battery sustained the honor and name of Rhode Island. Of all the light batteries Little Rhody sent to the seat of war, none was ever equal to the old Second, or Battery A,...