CD’s urine sample was probably alkaline when passed. The deposit was phosphate of lime. Prescribes a new antacid and continuation of podophyllin. He can judge CD’s state as described by his letter.

Prescribes continuing the phosphate of iron.

Prescribes "syrup of phosphate of iron". Requests a urine sample.

Has analysed CD’s urine and suggests he omit the alkaline powders. Continues to prescribe iron phosphate.

Prescribes carbonate of ammonia with horseradish. CD is to avoid any magnesia. Recommends CD go without medicine for a time and avoid the "evil habit" of taking too much water.

CD’s urine is normal. He may take antacids for his stomach.

Much regrets the state of his health will prevent his attending the [Science Defence] Association meeting.