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meccanoindex.coone scale pan exactly balance the object in the other. Photo courtesy] [ A/cssrs. W. & Avery Lid. Roman Balance in its Modern Form. From the simple steelyard has developed

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Page 1: meccanoindex.coone scale pan exactly balance the object in the other. Photo courtesy] [ A/cssrs. W. & Avery Lid. Roman Balance in its Modern Form. From the simple steelyard has developed

meccanoindex.co.uk

Page 2: meccanoindex.coone scale pan exactly balance the object in the other. Photo courtesy] [ A/cssrs. W. & Avery Lid. Roman Balance in its Modern Form. From the simple steelyard has developed

meccanoindex.co.uk

Page 3: meccanoindex.coone scale pan exactly balance the object in the other. Photo courtesy] [ A/cssrs. W. & Avery Lid. Roman Balance in its Modern Form. From the simple steelyard has developed

meccanoindex.co.uk

Page 4: meccanoindex.coone scale pan exactly balance the object in the other. Photo courtesy] [ A/cssrs. W. & Avery Lid. Roman Balance in its Modern Form. From the simple steelyard has developed

meccanoindex.co.uk