| Year | 1933 |
| Date | 12-Oct |
| Volume | 69 |
| Issue | 1,692 |
| Page | 351 |
| Category | Drawing |
| Part | |
| Title | A Home Made Drawing Board |
| Author | J.H.Penruddocke |
| Notes | With Parallel Moving Straightedge and Stand. Arrangement of wire and pulleys for parallel motion, details of locknut and capstan, mounted on stand, straightedge with pulley and slots for wire, drawing board frame |