Tealtronic




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	*Tealtronic*

	Tealtronic was a company associated with AML Distributors Ltd.^[1], of Palmers Green, London. There may have been a connection with the Japanese Teal company, but there is no information available about this. If you have any information we would be very pleased if you would get in touch. Here are a few examples of Tealtronic models: Tealtronic 4519 Tealtronic K-80M (Type 1) Tealtronic K-80M (Type 2) Tealtronic SM-8

			Tealtronic 4519



		Tealtronic 4519 Display is 8 digits, blue vacuum-fluorescent display. Four function, %, memory, square root. Power supply: 6v (4x AA cells). 155 x 73 x 37 mm (6.1 x 2.9 x 1.5"). Made in Japan.

			*Tealtronic K-80M* (Type 1)**

Tealtronic K-80M (Type 1)

Display is 8 digits, blue Vacuum Fluorescent Display tubes.

Four function.

Power supply: 6v (4x C cells).

121 x 218 x 38 mm (4.75 x 8.6 x 1.5").


	*Tealtronic K-80M* (Type 2)**

Tealtronic K-80M (Type 2)

Display is 8 digits, blue Vacuum Fluorescent Display tubes.

Four function.

Power supply: 6v (4x C cells).

Integrated circuit: Texas Instruments TMS0105NC (here date coded to week 13 of 1973).

132 x 256 x 38 mm (5.2 x 10.1 x 1.5").

Compared to the type 1, above, this has the same keys but has a much more stylish, and slightly larger, casing.

This calculator is quite a hand-full.

With the cover removed, showing the display tubes and the Texas Instruments TMS0105NC integrated circuit.


		Tealtronic SM-8



Tealtronic SM-8 Display is 8 digits, green vacuum-fluorescent in a single tube. Four function, %, memory. Integrated circuit: Rockwell 15330PC, here date coded mid-1973. Power supply: 6v (4x AA rechargeable cells). 155 x 71 x 33 mm (6.1 x 2.8 x 1.3").


			With the casing opened revealing the tubular vacuum-fluorecent display (VFD) and the rechargeable cells.

	References: Milton, R., Beaumont, A.J. (1974), Electronic Calculator Markets and Suppliers, 2nd. ed., Finresearch Series, London: Ovum, 42.

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	© Text & photographs copyright Nigel Tout 2000-2012 except where noted otherwise.