Category Archives: Planimeter, Hughes Owens
Planimeter, The Hughes Owens Co. Ltd. s/n 10990, in black box.
Planimeter, Hughes Owens
Planimeter, The Hughes Owens Co. Ltd. s/n 10990, in black box.
Planimeter, The Hughes Owens Co. Ltd. s/n 10990, in black box.
Planimeter, The Hughes Owens Co. Ltd. s/n 10990, in black box.