Statement of the number of Parrott guns which burst-Continued.

Num Date. Cali- Eleva- Greates Average Numbe Numb

- ber of tion t elevati r of er

ber gun. when gun elevati on at round of

. burst. on at which s the prem

which the gun atur

the piece had e

piece was been expl

was fired. fired osio

fired. . ns

of

shel

ls.

1863. deg.sec. deg.sec deg.sec

8 Oct.12 100- 12 30 13 55 13 00 1,150 Seve

pounder ral.

9 Oct.30 100- 6 30 7 00 6 40 183 15

pounder

10 Oct.31 100- 4 00 4 00 4 00 331 19

pounder

11 Oct.28 100- 3 00 2 20 2 40 140 10

pounder

12 Oct.31 100- 6 35 6 50 6 40 219 11

pounder

13 Oct.30 100- 3 15 3 20 3 18 121 9

pounder

14 Oct.31 100- 6 20 29 45 11 19 190 13

pounder

15 Nov.27 100- 4 00 34 00 15 06 27 3

pounder

16 Nov.28 100- 6 25 6 35 6 30 377 5

pounder

Number Description.

8 The top of the gun from a point just in front of

trunnions, including right threonine back to and under

re-enforce, making a wedge-shaped fragment, was blown

off the apex in front of trunnions, the base under re-

enforce. The fracture under the re-enforce was

perpendicular to the axis of the piece, about 5 inches

from front of band, and extending down to a horizontal

plane through the axis.

9 The breech broke off perpendicularly to axis, 2 inches

under the re-enforce, the band remaining attached to

the breech; forward of this, the top of the gun, in a

wedge shape, including right threonine,with apex of

wedge just in front of threonine, was blown off.

10 Same as the gun on the 12th, except it took off both

trunnions.

11 Re-enforce separated in two pieces; the breech in rear

of trunnions broke in several fragments.

12 Same as gun on 28th.

13 Same as gun on 28th.

14 Breech blew out of re-enforce, same as 8-inch gun on

24th.

15 Same as gun on 31st.

16 The re-enforce separated longitudinally, and the

breech in rear of trunnions broke in several

fragments.

Numbers 4. Reports of Colonel Edward W. Serrell, First New York Engineers, Assistant Engineer.

HEADQUARTERS DEPARTMENT OF THE SOUTH,
Engineer Office, Morris Island, S. C., September 10, 1863.

1. GENERAL: I have the honor, in obedience to your orders, to submit herewith a report of the engineering operations, and the preparations therefor, which have been executed under my immediate direction, as one of the assistant engineers of this department, during this campaign, independently of the works constructed and duties performed by my regiment.

2. Hilton Head, July 1.-This afternoon drilled two boats' crews in Skull Creek, with the saws for cutting off piles under water. Saws work well. These saws are represented in Plate II, and are elsewhere described and referred to.

3. Received orders to get material ready, and ship same, for a bridge.

15 R R-VOL XXVII, PT I