Presision Wavemeter Type 724-A Vintage 1940s

Presision Wavemeter Type 724-A. Unit is in good condition overall with some wear and scratches, the wood is splitting on the lid at the left hinge(see pictures). Comes with 7 Bakelite coils, calibration charts, and instruction charts all dated in 1940's. All Offers and Questions Welcome! #'s on items: Type 724-A Serial: 476 16 kc-50 Mc Bakelite coils 0.5-500 Mc (all have serial 476) Charts: Form 417c, 417e, 417d (all dated 12/16/1940)