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Magazine from Wandsworth Technical Institute.

Notes, lecture handouts and occasional sketches of equipment.

Notes, lecture handouts and occasional sketches of equipment.

Notes, lecture handouts and occasional sketches of equipment.

Notes, lecture handouts and occasional sketches of equipment. Includes printed notes on air conditioning as well as reference articles.

Notes, lecture handouts and occasional sketches of equipment.

Inscribed "L G Hadley, 1943"