Ball Turret

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Many high-tech items made and designed by Sperry were also produced by contract by many other companies. IBM, today a large computer manufacturer, made Sperry ball turrets and Sperry bomb sights during the Second World War. Also, the large gunsight (seen in the above picture as the square-like piece jutting into the top of the circular window) was designed by Sperry and built both by General Electric and, incredibly, Chrysler. </div> <bR> <div> <IMG SRC="18c05550.jpg" border=0 width="517" height="341" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <div> The exterior of the ball turret as seen from the inside of the aircraft.</div> <bR> <div> <A HREF="id40.htm" TARGET="_top" TITLE="Nose"><U><B><IMG SRC="138534b0.gif" border=0 width="83" height="75" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id41.htm" TARGET="_top" TITLE="Cockpit"><U><B><IMG SRC="13a22540.gif" border=0 width="34" height="84" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id42.htm" TARGET="_top" TITLE="Dorsal Turret"><U><B><IMG SRC="13e22560.gif" border=0 width="34" height="86" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id43.htm" TARGET="_top" TITLE="Bomb Bay"><U><B><IMG SRC="14036550.gif" border=0 width="54" height="85" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id46.htm" TARGET="_top" TITLE="Radio Room"><U><B><IMG SRC="14220550.gif" border=0 width="32" height="85" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id47.htm" TARGET="_top" TITLE="Ball Turret"><U><B><IMG SRC="14424560.gif" border=0 width="36" height="86" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id48.htm" TARGET="_top" TITLE="Waist Section"><U><B><IMG SRC="14665720.gif" border=0 width="101" height="114" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A><A HREF="id49.htm" TARGET="_top" TITLE="Tail"><U><B><IMG SRC="14880a40.gif" border=0 width="128" height="164" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></b></U></A></div> <div> Click on the Section of the Aircraft you wish to visit.</div> <div> Next<A HREF="id48.htm" TARGET="_top" TITLE="Waist Section"><U><IMG SRC="04b360b0.gif" border=0 width="54" height="11" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></U></A></div> <div> <A HREF="id39.htm" TARGET="_top" TITLE="Enter the B17"><U><I>Return to B-17 Start Page</I></U></A></div> <bR> <bR> <bR> </td> </tr></table></body>