DEMONSTRATION SET No. 1 - LARGE BOARD FOR ENGINEERING TRAINING DEMONSTRATION SET No. 4 - CANDLESTICK STYLE PHONES DEMONSTRATION SET No. 5 - CANDLESTICK STYLE PHONES DEMONSTRATION SET No. 6 - PYRAMID STYLE PHONES DEMONSTRATION SET No. 7 - TABLET WITH TWO BELLS FITTED FOR OPERATOR TRAINING MARKETING INSTRUCTION
DEMONSTRATION SET No. 1 - LARGE BOARD FOR ENGINEERING TRAINING DEMONSTRATION SET No. 4 - CANDLESTICK STYLE PHONES DEMONSTRATION SET No. 5 - CANDLESTICK STYLE PHONES DEMONSTRATION SET No. 6 - PYRAMID STYLE PHONES DEMONSTRATION SET No. 7 - TABLET WITH TWO BELLS FITTED FOR OPERATOR TRAINING
MARKETING INSTRUCTION
