Across:
1 Archibald Thorburn
10 Aeolian harp
16 Earls
17 Nattier
18 Ancient
19 Iron Age
20 Heavens
21 Mountie
22 Epitaph
23 Rosa
25 Toaster
27 Schnabelkrug
31 Sabbath
34 Astbury ware
36 Abraded
38 Almandine
39 Passe-partout
41 Slipcase
43 Rossini
45 Origami
47 Marlborough
50 Amazonite
52 Diamond-point engraving
59 Inanimate
60 Walter Crane
62 Amphora
63 Silesia
65 Kilogram
67 Daniel Mytens
70 Amsterdam
72 Hickory
74 Iceland spar
76 Diabolo
77 Fruit machine
79 Gilbert
81 Rust
83 General
85 Daggers
88 Ansbach
92 Oratory
93 Chianti
94 Rhombus
95 Altun
96 Egon Schiele
97 Auguste Delaherche
Down:
1 Aleph
2 Carrara
3 Issue
4 Agnes Grey
5 Datum
6 Haiku
7 Ruritanian
8 Ukase
9 Nickelled
10 Atelier
11 Ostia
12 Irish
13 Nyon
14 Agano
15 Pre-Raphaelites
24 Oban
25 Teaspoon
26 Taupe
28 Chequered
29 Beryl
30 Guatemala
31 Sumer
32 Ab initio
33 Battam
35 Tassie
37 Death
40 Ali Baba
42 Poulenc
44 Stopgap
46 Andries
48 Bootleg
49 Range
51 Abigail
53 Oberkampf
54 Gradation
55 Mies van der Rohe
56 Ballista
57 Bo-Peep
58 Sanskrit
60 Welsh
61 Edited
64 Audio
66 Aroma
68 Yodel
69 Pythagoras
71 Eros
73 Catalonia
75 Aegean Sea
78 Ukraine
80 Elastic
82 Shako
83 Glyph
84 Niche
85 Dying
86 Erode
87 Sable
89 Soane
90 Hinge
91 Boss