HERE YOU CAN DOWNLOAD VARIOUS INSTRUCTIONS

AND DOCUMENTS THAT I AM PLACING IN THE PUBLIC DOMAIN 

THEY ARE FREE TO USE, COPY, PRINT OR GIVE AWAY.

SCHMALCALDER'S PATENT

HOWARD / COLES SUN COMPASS INSTRUCTIONS

PRISMATIC COMPASS INSTRUCTIONS

FB&SBOXSEXTANTINSTRUCTIONSa.pdf

ABNEY LEVEL INSTRUCTIONS

BUBBLE SEXTANT INSTRUCTIONS

MORE TO COME!

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