An exceptional Antique Engineering Drafting Tool Piece Set!
Instruments signed for Theodore Alteneder & Sons
Original Case is stamped with a seal "ALTENEDER DRAWING INSTRUMENTS, MADE IN PHADELPHIA SINCE 1850"
Sold at "DIETRICH POST COMPANY SAN FRANCISCO"
 
Excellent Antique Condition!
Some wear to the original black leather and green velvet box.
Instruments all appear in great pre-owned condition!