| Year | 1931 |
| Date | 30-Jul |
| Volume | 65 |
| Issue | 1,577 |
| Page | 99 |
| Category | Architectural |
| Part | 2 |
| Title | Two Models Involving some Unusual Construction. The Lighthouse |
| Author | J.Pike |
| Notes | Circle cutting tool, stair treads, cage, spiral staircase construction, two views, stairheads, sectional elevation, arrangement of stair treads, stair guard, crane hoist, gallery and lantern, electric circuits, near view showing many details |