| Item no | Date | Content |
|---|---|---|
| 3/1 | 1963-64 | Index; numerical list with two subject lists of 1963 Jan and 1964 May [ 1-ring binder] |
| 3/2 | 1961 Apr | ICT No 1 : Storage Device |
| 3/3 | 1962 Apr | ICT No 2 : Carriage Universal Drive |
| 3/4 | 1949 May | BTM P3 : Type 25/0 Program Board Punch (and with Ducol Operation) |
| 3/5 | 1949 Apr | ICT No 3 : Type 25/0 Program Board Punch (and with Ducol Operation) |
| 3/6 | 1949 Apr | ICT No 4 : Type 123/0 Programme Board Verifier and Type 123/0 or 125/0 Programme Board Verifier with Ducol Operation |
| 3/7 | 1961 Apr | ICT No 5 : Semi Auto Bill Feed Carriage Model 15 |
| 3/8 | 1950 Apr | ICT No 6 : Junior Rolling Total Drive |
| 3/9 | 1952 Feb | ICT No 7 : Platen Drive Unit |
| 3/10 | 1952 Jul | ICT No 8 : Alphabetical Unit Assembly |
| 3/11 | 1958 Jul | BTM No 9 : Type 31 Keystor Punch |
| 3/12 | 1953 Mar | ICT No 10 : Type 708/0 Plate Selecting Tabulator (Adrema) |
| 3/13 | 1961 Nov | ICT No 11 : Lower and Upper Counter |
| 3/14 | 1953 May | ICT No 12 : Type 302 Horizontal Sorter (80 column) |
| 3/15 | 1959 Jan | ICT No 13 : Type 302/4 Sorter Counter (80 column) |
| 3/16 | 1959 Sep | ICT No 14 : Card Stacker Assembly (standard) |
| 3/17 | 1953 Apr | BTM No 15 : Type 103 Mechanical Verifier 80 col |
| 3/18 | 1960 Jun | ICT No 16 : Double Alpha Type Unit Assembly 44 Wheel
(R.A.F. machines) |
| 3/19 | 1961 Nov | ICT No 17 : Universal Print Magnet Unit |
| 3/20 | 1961 Nov | ICT No 18 : Type 129 Programme Board Verifier |
| 3/21 | 1955 Feb | BTM No 19 : Types 365 & 366 80 and 38 column Collators |
| 3/22 | 1960 Oct | ICT No 19 : Type 365 Collator |
| 3/23 | 1971 Apr | ICL No 19 : Type 365 Collator |
| 3/24 | 1960 Nov | ICT No 20 : Type 202/0 High Speed Reproducer for 38 and 80 column |
| 3/25 | 1959 Aug | ICT No 20A : Fitting of 27 position mark sensing - double punch blank column detection and offset stacking to the Type 202 H. S. Reproducer |
| 3/26 | 1963 Apr | ICT No 21 : Type 850 to 858 Senior and Junior Tabulators. Senior C.R.S. Feed Assembly |
| 3/27 | 1954 Aug | BTM No 21 : Senior C.R.S. 80 column feed 910171 |
| 3/28 | 1950 Nov | BTM No 22 : Universal Type Unit |
| 3/29 | 1950 Nov | ICT No 22 : Universal Type Unit 901792 |
| 3/30 | 1954 May | ICT No 23 : Multi-Read Feed |
| 3/31 | 1961 Jan | ICT No 24 : Type 234 Gang Punch |
| 3/32 | 1963 Apr | ICT No 25 : Type 1 & 2 Series Mechanical Punches and Type 100 & 101 Series Mechanical Verifiers |
| 3/33 | 1956 May | BTM No 26 : Type 413 Wire Interpreter |
| 3/34 | 1961 Nov | ICT No 27 : Type 309/310 High Speed Sorter |
| 3/35 | 1955 Nov | BTM No 28 : Standard Carriage with quick insert device |
| 3/36 | 1961 Nov | ICT No 29 : Type 237 pre-reading gang punch |
| 3/37 | 1961 Nov | ICT No 30 : Type 331 non-printing card-counting machine |
| 3/38 | 1959 Jul | ICT No 31 : Type 700 Balancing Tabulator |
| 3/39 | 1960 Mar | ICT No 32 : Type 414 Transfer Interpreter |
| 3/40 | 1962 Jun | ICT No 33 : Type 504/0 Multiplier |
| 3/41 | 1960 Nov | ICT No 34 : Type 901 Tabulator, Section C - base assemblies |
| 3/42 | 1960 Nov | ICT No 34 : Type 901 Tabulator, Sections D, E & F |
| 3/43 | 1960 Nov | ICT No 34 : Type 901 Tabulator, Sections G, H, J, K & M |
| 3/44 | 1960 Nov | ICT No 34 : Type 901 Tabulator, Additional & Alternative Units, Sections R & V |
| 3/45 | 1963 Apr | ICT No 35 : : Type 32 Automatic Punch |
| 3/46 | 1957 Nov | BTM No 36 : Key unit assemblies |
| 3/47 | 1957 Sep | ICT No 37 : Type 238/0 Gang Punch |
| 3/48 | 1954 Sep | BTM No 38 : Type 234 Gang Punch |
| 3/49 | 1957 Dec | ICT No 38 : Type 239 Gang Punch |
| 3/50 | 1963 Jun | ICT No 38 : Type 239/0 & 239/2 Gang Punches |
| 3/51 | 1958 Feb | BTM No 39 : Types 418 & 419 Wire Interpreters |
| 3/52 | 1958 May | BTM No 40 : Type 240/0 Gang Punch with advanced brush station |
| 3/53 | 1958 Jun | BTM No 41 : Horizontal Sorter, Group selection with Balance card rejection, standard and positive |
| 3/54 | 1958 Oct | ICT No 42 : Type 588 input and output tabulator for type 1201 computer |
| 3/55 | 1959 Jan | ICT No 42A : Type 588 input and output tabulator for type 1201 computer, additional & alternative units |
| 3/56 | 1959 Apr | ICT No 43 : Type 206 end printing reproducer |
| 3/57 | 1959 Jul | ICT No 44 : Type 906 tabulator |
| 3/58 | 1960 May | ICT No 45 : Type 902 tabulator |
| 3/59 | 1959 Oct | ICT No 46 : Type 915 tabulator |
| 3/60 | 1963 Apr | ICT No 46 : Type 915 tabulator |
| 3/61 | 1960 Jan | ICT No 47 : Upper counter variations (for junior and C.R.S. tabulators) |
| 3/62 | 1960 May | ICT No 48 : Type 424 multi-zone interpreter |
| 3/63 | 1963 Apr | ICT No 48 : Type 424/0 interpreter, alpha multi-zone |
| 3/64 | 1960 Mar | ICT No 49 : Alphabetical typewriter key-boxes |
| 3/65 | 1960 Jun | ICT No 50 : Platens and paper plates |
| 3/66 | 1961 Jul | ICT No 51 : Type 1037 card-controlled tape punch |
| 3/67 | 1962 Jan | ICT No 52 : Type 203/0 high speed reproducer |
| 3/68 | 1971 Jun | ICL No 52 : 203 and 208 reproducers |
| 3/69 | 1962 Feb | ICT No 53 : Type 528/6 and 528/8 gang punches |
| 3/70 | 1963 Jan | ICT No 54 : Type 313/0 high speed sorter, 80 column, 750 cpm |
| 3/71 | 1963 Jan | ICT No 54 : 313 sorter |
| 3/72 | 1962 Apr | ICT No 55 : Type 665 high speed printer |
| 3/73 | 1962 Apr | ICT No 56 : Types 590 & 593 serial card reader [2 differing copies] |
| 3/74 | 1962 Aug | ICT No 57 : Types 582/3, 582/4 & 582/5 gang punch outputs |
| 3/75 | 1962 Sep | ICT No 58 : Type 1036/2 and /9 tape-controlled card punch with gang punch attachment |
| 3/76 | 1962 Oct | ICT No 59 : Type 589/0 tabulator, feed input and printing output |
| 3/77 | 1964 Apr | ICT No 60 : Type 660/0 print output for 1301 computer; type 660/1 print output for 1300 computer |
| 3/78 | 1962 Nov | ICT No 60 : Type 660 print output for 1301 computer |
| 3/79 | 1962 Oct | ICT No 61 : Type 29/0 programme board punch |
| 3/80 | 1965 Jul | ICT No 62 : Type 1000 card reader |
| 3/81 | 1965 Jul | ICT No 63 : Type 30 programme board punch with gang punch attachment; type 1039 tape-to-card punch |
| 3/82 | 1963 Apr | ICT No 64 : Type 902 tabulator automatic document feed Mk II |
| 3/83 | 1963 Jun | ICT No 65 : Type 600/0 gang punch |
| 3/84 | 1963 Jun | ICT No 66 : New style keyboards and key units |
| 3/85 | 1965 Mar | ICT No 67 : Type 314 sorter [two editions in one volume]
1966 May |
| 3/86 | 1965 Nov | ICT No 68 : Type 36 programme board punch |
| 3/87 | 1966 Jan | ICT No 69 : Type 319 sorter |
| 3/88 | 1950 Aug | BTM. Alphabetical interpreter no 552 |
| 3/89 | 1964 Feb | ICT. Type 596 card reader [with erratum and amendments sheet of 1964 Nov] |
| 3/90 | 1966 Feb | No A.V.I. : Types 144/1, 144/3, 145/0 and 145/1 automatic verifiers, 65 column, with two supplements |
| 3/91 | 1972 Dec | ICL 171 Verifier from serial number 3000 |