Antique ADJUSTABLE HAT SIZER by FELDMAN MACH WORKS, NYC Millinery/Hatmaking Tool

ITEM DESCRIPTION: Being offered for sale is the antique ADJUSTABLE HAT SIZER / CALIPER / MILLINERY FORM TOOL by "FELDMAN MACH. WKS." of N.Y.C., from circa the late 19th or early 20th century (best guess), as seen in the pictures/as described in the title. PLEASE SEE BELOW FOR IMPORTANT CONDITION NOTES. Being offered for sale as-found, uncleaned. May require a thorough detailing to bring to its full potential. SATISFACTION GUARANTEED or your money back...no questions asked!   CONDITION NOTES: Very Good/VG+ antique condition with minor -to- moderate overall cosmetic wear throughout but we see NO breaks or repairs. Appears to be a fully functional tool.  Ready to use or proudly display! See pics.   DIMENSIONS & WEIGHT: Please see ruler in pictures for size/scale reference. Additional measurements shall be provided upon request. Weighs 9.2 oz..   GENERAL NOTE: If you are viewing this on a mobile phone or tablet and the pictures are blurry when you zoom in, be sure to check that your br