It is therefore with a genuine desire to help you that we write enclosing a Special Voucher Coupon issued in your name, which will help you materially if the cost of our remarkable specific has been more than you could really meet.... This Special Voucher Coupon which we have issued to you is good for £1 Sterling when sent with your order for Tuberculozyne. You have only to post the coupon together with 30s., and immediately we will forward to you the complete treatment and full instructions for its use. From later letters: Even if her improvement is not at once pronounced, do not be discouraged; for in some cases the patients at first even seemed to be losing ground, but they persevered and finally were cured. It would be much better to take the treatment a few weeks too long than to stop too soon.... Just at this time, when the patient has been taking our treatment for some weeks and it is beginning to permeate her system through and through, courage is needed, for great improvement may not yet be apparent though her cure be assured. Every letter was accompanied with one lithographed copy, or more, of testimonials. The directions were: After each meal, put thirty drops of the medicine from each bottle into a tumbler of milk; stir well and drink immediately. If milk is distasteful, the medicine may be taken in water which has been boiled. For patients between the ages of seven and fifteen years, give one-half of the above dose; for those under seven years, give five (5) drops only, from each bottle. No. 1 was a bright red liquid; analysis showed it to contain in 100 fluid parts, 3·4 parts of potassium bromide, 12 parts of glycerine, a trace of a pungent substance, sufficient oil of cinnamon (or oil of cassia) to give a flavour, a very small quantity of alcohol, and cochineal colouring matter darkened with a trace of alkali; no copper was present. The following formula gave an exactly similar liquid: Potassium bromide 3·4 parts. Glycerine 12·0 ” Oil of cassia 0·1 part. Tincture of capsicum 0·17 ” Cochineal colouring q.s. Caustic soda 0·06 part. Water to 100 fluid parts.