1938 Graham Supercharger, from J.T. Garvin's "Wildfire" Portfolio, 1969-70 primitive pencil box really--but it is chock full

really--but it is chock full of math-related information and calculations

Individual blocks measure 2" long  per side and 5/8" thick

but one would now need to attach a strap in order to wear it

plus a spatter of white paint here and a little red

and which I purchased from a British seller from a collection of works related to the Burton family of Clifton House

1938 Graham Supercharger, from J.T. Garvin's "Wildfire" Portfolio, 1969-70 primitive pencil box really--but it is chock fullThis drawing came from a larger portfolio of some 50 drawings, all of cars, most initialed and dated 1969 or 70 on reverse, which with some piecing together I've figured out were done by a Jerry Thayer Garvin of Nottingham, NH all as the imagined holdings of a fictional "Wildfire Corporation" founded in 1898. Found in the portfolio was an elaborate set of notes detailing the makers and models of the cars held in this fictional Wildfire Collection,