Germany. A Wartime Labour Book To Naval Mine Physicist Hans Mössle Auction Archive Footnote: William Eli Sanford McNair

Footnote: William Eli Sanford McNair was born on July 24

reverse explains The Rights of Prisoners of War and The Rules For Surrender in German and coded "US/GB-ZG61

in worn condition with 4 pin holes from previous collector mounting

reverse inscribed in the centre "TO THE OFFICERS AND CREW OF THE S

scuffing present on the underside

Germany. A Wartime Labour Book To Naval Mine Physicist Hans Mössle Auction Archive Footnote: William Eli Sanford McNairMeasuring 107x147mm, extremely fine condition with light scuffing and scratching of the cover. It is dated to February 2, 1941. Mssle was born on May 11, 1915 in Ludwigsburg. He worked in Kiel Wik (northern Germany) for the Sperrversuchskommando as a physicist. The Sperrversuchskommando was a subdivision of the Sperrwaffeninspektion. Sperrwaffen is the generic term for all naval mines. Presumably the Sperrversuchskommando tested new types of mines