Row 1:	The Calc. Corp.-Michigan - Manufacturer: The Calculator Corporation - Original Price: $?? - Date: c.1920
Row 2:	?? - Manufacturer: ?? - Original Price: $?? - Date: ??
Row 3:	Royal Digit III calculator Manufacturer: Royal Original Price: $?? - Date: 1973	Summit KO8 LED pocket calculator Manufacturer: NCE Nuclear (USA) Original Price: $?? - Date: c.1973	SR-11 Electronic Slide Rule LED pocket calculator Manufacturer: Texas Instruments Original Price: $66 - Date: 1974	Pocketsize microchip calculator kit, CPU: [board marked: "GDM CT 5005"] Manufacturer: unknown Original Price: $?? - Date: c.1972

Sorry, but I no longer collect these items and do not have further information.

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